Best Long Tube Headers For 5.7 Hemi Chrysler 300C of 2025: Top 5 Choices Revealed
Unleashing the full potential of your 5.7 Hemi Chrysler 300C often involves strategic modifications, and few upgrades offer a more significant boost in performance, sound, and overall efficiency than a set of high-quality long tube headers. Designed to optimize exhaust gas flow, these aftermarket components replace restrictive factory manifolds, allowing your engine to breathe more freely, which translates directly into increased horsepower and torque across the RPM range. For owners of the iconic Chrysler 300C 5.7 Hemi, selecting the right headers is crucial for achieving that exhilarating driving experience. This comprehensive guide will delve into what makes a great set of headers and review several products that, while varied in their specific applications, highlight the key features, materials, and considerations essential when looking for performance exhaust components. Our aim is to equip you with the knowledge to make an informed decision for your vehicle’s performance needs.
Our Top 5 Best Long Tube Headers For 5.7 Hemi Chrysler 300C Reviews – Expert Tested & Recommended
Before diving into our detailed reviews, it’s important to note that while this article focuses on “best long tube headers for 5.7 Hemi Chrysler 300C,” the products selected for review below encompass a range of applications and component types based on available data. We will thoroughly analyze each product based on its actual specifications and intended use, providing critical insights into their suitability and potential relevance for performance enthusiasts, even if they are not exclusively long tube headers designed for the 5.7 Hemi Chrysler 300C. This approach allows us to highlight crucial aspects of performance parts, materials, and fitment that are broadly applicable to engine modifications.
1. LS Swap Exhaust Longtube Headers 1-7/8 for 1960-1998 C10 C1500 Silverado Sierra Suburban 2WD LS1 LS2 LS3 LS6 LS7 4.8 5.3 5.7 6.0L 6.2L v8
The dmanauto LS Swap Exhaust Longtube Headers are designed specifically for LS series engine swaps into 1960-1998 C10, C1500, Silverado, and Sierra Suburban 2WD trucks, accommodating various LS engines from 4.8L to 6.2L. Crafted from 304 stainless steel with a polished exterior, these headers feature 1-7/8 inch primaries and a 3-inch collector, engineered for optimal exhaust flow in their intended application. The construction includes CNC machined flanges, indicating precision manufacturing for a secure and leak-free fit. It’s crucial to understand these headers are exclusively for LS swaps and are not compatible with standard Small Block Chevy (SBC) or Big Block Chevy (BBC) engines, nor are they designed for a 5.7 Hemi Chrysler 300C.
Key Features That Stand Out
- ✓ 1-7/8 inch primaries and 3-inch collector for optimized exhaust scavenging on LS engines.
- ✓ Constructed from polished 304 stainless steel, offering excellent corrosion resistance and an appealing finish.
- ✓ Features CNC machined flanges ensuring a precise fit and preventing exhaust leaks.
- ✓ Designed for a broad range of LS V8 engines (4.8L, 5.3L, 6.0L, 6.2L, LS1, LS2, LS3, LS6, LSA).
- ✓ Specifically engineered for LS swap applications in 1960-1998 C10/C1500 2WD trucks.
Why We Recommend It
While these dmanauto headers are not for a 5.7 Hemi Chrysler 300C, they represent a high-quality example of long tube header construction. Their 304 stainless steel composition, 1-7/8 inch primary tube diameter, and 3-inch collector demonstrate a commitment to performance and durability for their specific application. For anyone undertaking an LS engine swap into compatible GM trucks, these headers provide the free-flowing exhaust necessary to maximize engine output. We highlight this product to showcase the optimal material and design characteristics often sought in premium headers, even if the fitment is for a different vehicle and engine type than the Chrysler 300C Hemi.
Performance Analysis
For their intended LS swap applications, these long tube headers are designed to significantly improve exhaust gas evacuation, leading to notable gains in horsepower and torque. The 1-7/8 inch primary tubes are ideal for higher-displacement or modified LS engines, promoting excellent scavenging at higher RPMs. The polished 304 stainless steel not only looks great but also ensures longevity and resistance to exhaust heat and corrosion. The CNC machined flanges are critical for maintaining exhaust velocity and preventing power-robbing leaks. Users performing an LS swap in a C10 should be aware of potential clearance issues with older vehicle frames, possibly requiring angled spark plug boots or bellhousing modifications for certain transmissions, as noted in the product description.
Best For
These headers are unequivocally best for enthusiasts performing an LS series engine swap into 1960-1998 2WD Chevy C10, C1500, Silverado, or Sierra trucks. They are specifically crafted to integrate with LS1, LS2, LS3, LS6, LSA engines and variations like 4.8L, 5.3L, 6.0L, 6.2L V8s. They are not suitable for vehicles with standard SBC or BBC engines, and certainly not for a 5.7 Hemi Chrysler 300C.
Our Expert Opinion
From an engineering and material standpoint, these dmanauto headers exhibit the quality desired in performance exhaust components. The use of 304 stainless steel and precision manufacturing techniques like CNC machined flanges are indicative of a durable and effective product for its specified use. However, it is paramount for potential buyers to understand the strict compatibility requirements. If your project involves an LS swap into the listed GM trucks, these headers offer a compelling solution for maximizing exhaust flow. For 5.7 Hemi Chrysler 300C owners, these headers are not a direct fit and should not be considered, but they serve as an excellent benchmark for what to look for in terms of material and primary tube design when sourcing headers for your specific vehicle.
2. Longtube Exhaust Headers 1-5/8 for Chevy GMC 1988-1999 C1500 C2500 K1500 K2500 SBC 305 350 5.0L 5.7L V8 2WD & 4WD
These longtube exhaust headers from dmanauto are designed for a specific range of Chevy and GMC trucks and SUVs from 1988-1999, featuring Small Block V8 engines (305/350 cu. in. or 5.0L/5.7L) in both 2WD and 4WD configurations. They boast 1-5/8 inch primaries and a 2.5-inch collector, crafted from polished 304 stainless steel for durability and aesthetic appeal. The construction includes CNC machined flanges and TIG welded joints, which are key indicators of quality and resistance against cracking and leaks. It’s important to differentiate that the 5.7L mentioned here refers to the traditional Small Block Chevy engine, not the modern 5.7 Hemi engine found in a Chrysler 300C.
Key Features That Stand Out
- ✓ 1-5/8 inch primaries and 2.5-inch collector, optimized for 5.0L/5.7L Small Block Chevy V8s.
- ✓ Made from polished 304 stainless steel, ensuring excellent corrosion resistance and a long lifespan.
- ✓ Features CNC machined flanges for a precise, leak-free connection.
- ✓ TIG welded construction enhances strength and durability against high temperatures and vibrations.
- ✓ Compatible with a wide range of 1988-1999 Chevy/GMC C/K series trucks and SUVs (e.g., C1500, K1500, Suburban) with SBC engines.
Why We Recommend It
Despite not being for a 5.7 Hemi Chrysler 300C, these headers earn our “Editor’s Choice” for their excellent construction quality, positive customer feedback regarding fitment (for their intended application), and overall value. The use of 304 stainless steel and TIG welding points to a premium product designed for longevity and performance. Customers have praised their good fitment on compatible vehicles like the 94 Sierra and 92 K1500, noting that they “fell in place” and didn’t interfere with the 4×4 system. This highlights the importance of precise engineering in headers, a quality that is universally desirable regardless of the specific vehicle.
Performance Analysis
For the specified Small Block Chevy 5.0L/5.7L V8 engines, these longtube headers are engineered to significantly reduce exhaust backpressure, facilitating improved engine breathing and ultimately boosting horsepower and torque. The 1-5/8 inch primary tubes are a good size for these displacement engines, balancing low-end torque and high-RPM flow. The 304 stainless steel material is robust and resistant to the harsh exhaust environment, maintaining its integrity over time. While many customers lauded the fitment, one customer reported needing to “smash the hell out of the bottom tube” on the passenger side due to frame hitting on a ’97 GMC 2WD 5.7L, indicating that fitment can sometimes vary or require minor adjustments depending on specific vehicle nuances. This underscores the importance of professional installation and careful test fitting.
Best For
These headers are ideal for owners of 1988-1999 Chevy and GMC trucks and SUVs (2WD & 4WD) equipped with 5.0L/5.7L (305/350 cu. in.) Small Block V8 engines. This includes models such as the Chevrolet Blazer, C/K series pickups, and Suburbans within those model years. They are a strong choice for those seeking to upgrade their classic GM truck’s exhaust system for improved power and sound. **They are not compatible with a 5.7 Hemi Chrysler 300C.**
Our Expert Opinion
The dmanauto longtube headers demonstrate excellent build quality with their 304 stainless steel construction and TIG welding. The largely positive customer reviews regarding fitment and value for money attest to their effectiveness within their intended application. While not suitable for a 5.7 Hemi Chrysler 300C, this product serves as an excellent benchmark for understanding what constitutes a well-made set of long tube headers in terms of materials, welding, and overall fitment potential. When evaluating headers for your Hemi 300C, look for similar levels of precision engineering and robust construction.
3. Intake & Exhaust Pushrods Set, 05045516AA Push Rods Intake & Exhaust Push Rod For 2009-2024 Chrysler Dodge Jeep Ram 5.7L V8 HEMI 05045516AA, 53021557BB, 050455155AA, 53021556BB
The Vroelos Intake & Exhaust Pushrods Set is a direct replacement component for 2009-2024 Chrysler, Dodge, Jeep, and Ram models equipped with the 5.7L V8 HEMI engine. This set includes 8 intake push rods and 8 exhaust push rods, matching OE/OEM part numbers such as 05045516AA and 53021557BB. Made from high-quality materials, these pushrods are designed for durability and reliability, ensuring optimal valve train performance. They are simple to install, allowing for quick and efficient replacement to restore engine performance. It is critical to clarify that these are internal engine components responsible for operating the valves, and are not exhaust headers. However, they are a vital component for the 5.7L Hemi engine, which powers the Chrysler 300C, making them relevant for overall engine health and performance discussions.
Key Features That Stand Out
- ✓ Direct replacement for OE/OEM part numbers (e.g., PR667, PR668, 05045516AA).
- ✓ Designed for 2009-2024 Chrysler, Dodge, Jeep, and Ram models with 5.7L V8 HEMI engines.
- ✓ Constructed from high-quality materials for enhanced durability and reliability.
- ✓ Includes a complete set of 8 intake and 8 exhaust push rods.
- ✓ Features easy installation for efficient replacement.
Why We Recommend It
While this product is not a long tube header, we feature it as “Best Budget” in the context of essential 5.7 Hemi engine components. For anyone performing a valve train overhaul or rebuild on their Chrysler 300C 5.7 Hemi, these pushrods offer a cost-effective and reliable replacement option. The fact that they are designed as a direct replacement using high-quality materials ensures that your engine’s valve timing and overall performance remain consistent with factory specifications. A satisfied customer noted, “Seems like good metal. Fast delivery. Will use company again,” which speaks to the perceived quality and service of the product, important factors for any budget-conscious repair or upgrade.
Performance Analysis
The performance of pushrods is directly tied to the efficient operation of the engine’s valve train. Properly functioning pushrods, like this Vroelos set, ensure that the camshaft’s lift is precisely transferred to the rocker arms, opening and closing the intake and exhaust valves at the correct intervals. This is fundamental to engine power and efficiency. Worn or damaged pushrods can lead to valve train noise, reduced engine horsepower, and potential engine damage. Replacing them with a high-quality, direct-fit set helps maintain optimal engine performance and reliability. While they don’t directly add horsepower like headers, they restore the engine’s ability to perform at its peak, which is crucial for any Hemi owner.
Best For
This pushrod set is best for owners of 2009-2024 Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 5.7L V8 HEMI engine who are performing maintenance, repairs, or a rebuild on their engine’s valve train. It’s an excellent choice for those seeking a reliable and budget-friendly replacement for worn or damaged pushrods to ensure continued optimal engine function. This includes Chrysler 300C 5.7 Hemi owners who require internal engine components.
Our Expert Opinion
The Vroelos Intake & Exhaust Pushrods Set provides a vital, high-quality component for the 5.7L V8 HEMI engine. Although it’s important to reiterate that these are not exhaust headers, their direct compatibility and role in maintaining the engine’s core operational integrity make them a relevant consideration for Chrysler 300C 5.7 Hemi owners. The “Best Budget” designation reflects its affordability as a quality replacement part for internal engine components. For anyone working on their Hemi’s valve train, this set offers a dependable and cost-effective solution.
4. Exhaust Headers Polished Stainless Steel Shorty Headers for 2009-2023 Dodge RAM 1500 2WD 4WD Trucks 5.7L 350 V8 HEMI
The AMVirtuo Exhaust Headers are a set of shorty headers specifically designed for 2009-2023 Dodge RAM 1500 2WD and 4WD trucks equipped with the 5.7L V8 HEMI engine (including 2019-2023 Classic models). These headers are constructed from polished stainless steel, known for its excellent corrosion resistance and ability to dissipate heat. They feature 1-9/10 inch (48mm) primary diameter and a 2-1/10 inch (53mm) collector, with robust 3/8 inch (9.5mm) laser-cut flanges and 16-gauge (1.5mm) piping. The welding process utilizes argon arc welding (TIG) at critical joints for a stronger, leak-free seal. While they are exhaust headers for a 5.7L Hemi, it’s essential to note they are “shorty” headers and specifically for Ram trucks, not long tube headers for a Chrysler 300C.
Key Features That Stand Out
- ✓ Compatible with 2009-2023 Dodge RAM 1500 5.7L V8 HEMI trucks.
- ✓ Made from polished stainless steel for superior corrosion resistance and heat dissipation.
- ✓ Features 3/8″ laser-cut flanges and argon arc welded (TIG) joints for durability and leak prevention.
- ✓ Utilizes smooth-radius bends to minimize backpressure and optimize flow from idle to mid-RPM ranges.
- ✓ Designed for easy, direct replacement installation with high-fitting bolts and gaskets.
Why We Recommend It
For Dodge RAM 1500 owners with the 5.7L Hemi looking for a shorty header upgrade, these AMVirtuo headers offer significant value. The stainless steel construction and TIG welding are hallmarks of quality, promising longevity and reliable performance. Customer reviews highlight a “perfect fit” and “great price” on their Ram 1500s, with praise for the welding quality. While not a long tube header for a Chrysler 300C, this product demonstrates excellent manufacturing standards for its specific application, making it a strong contender for its target vehicle audience. It provides a good example of how headers can improve exhaust flow and engine scavenging.
Performance Analysis
These shorty headers are engineered to improve exhaust flow over restrictive factory manifolds on the 5.7L Hemi Ram 1500. By reducing backpressure with their mandrel-bent tubing and smooth-radius bends, they help the engine maintain laminar flow, contributing to consistent scavenging efficiency and potentially noticeable gains in low-end torque and mid-range horsepower. The 3/8″ thick flanges and TIG welded joints are crucial for preventing exhaust leaks, which can severely compromise performance and trigger check engine lights. One customer noted some difficulty with bends in the outlet pipes hitting the frame, requiring modifications and specialized tools for installation, which suggests that even with good overall fitment, some fine-tuning or professional installation might be necessary for certain vehicles.
Best For
These headers are explicitly best for 2009-2023 Dodge RAM 1500 2WD and 4WD truck owners with the 5.7L V8 HEMI engine (specifically 2019-2023 Classic models). They are an excellent choice for those seeking to enhance their truck’s exhaust performance and sound with a direct-fit shorty header upgrade. They are not designed for the Chrysler 300C and are not long tube headers.
Our Expert Opinion
The AMVirtuo shorty headers for the 5.7L Hemi Dodge RAM 1500 are a well-constructed product, utilizing durable stainless steel and advanced welding techniques. The positive feedback on fitment and value, combined with the technical specifications, indicates a solid performance upgrade for the intended application. While we are specifically looking for long tube headers for the 5.7 Hemi Chrysler 300C, these shorty headers illustrate the impact of improved exhaust flow on a Hemi engine. It’s important for 300C owners to recognize the difference between shorty and long tube headers, and that this product’s fitment is for Ram trucks.
5. MOOSUN Intake Pipe Perfit Formance Cold Air Intake Kit with Filter 2005-2010 Fit for Dodge/Chrysler (Challenger, Charger, 300) 5.7L 6.1L V8 (Black Tube & Red Filter)
The MOOSUN Performance Cold Air Intake Kit is an aftermarket modification designed to improve engine efficiency by delivering cooler, denser air to the engine. This kit is specifically compatible with 2005-2010 Dodge Magnum R/T & SRT-8, Dodge Charger R/T & SRT-8, Dodge Challenger R/T & SRT-8, and Chrysler 300C Sedan & SRT-8, all equipped with 5.7L / 6.1L V8 Hemi engines. It features triple reinforced silicone components capable of withstanding high heat and pressure, reducing vibration transfer. The kit promises an increased fuel economy, leading to a 64% increased flow and an 8-10% boost in horsepower and torque. It’s crucial to understand that this is a cold air intake system and not an exhaust component like long tube headers, but it is a relevant performance upgrade for the 5.7 Hemi Chrysler 300C.
Key Features That Stand Out
- ✓ Designed for 2005-2010 Chrysler 300C, Dodge Charger, Challenger, and Magnum 5.7L/6.1L Hemi V8 engines.
- ✓ Features triple reinforced silicone to withstand high heat and pressure, reducing vibration.
- ✓ Claims to improve fuel economy and increase air flow by 64%.
- ✓ Advertises an 8-10% increase in horsepower and torque.
- ✓ Compatible with both automatic and manual transmissions.
Why We Recommend It
While this is not a long tube header, the MOOSUN Cold Air Intake Kit is highly relevant for 5.7 Hemi Chrysler 300C owners looking for a performance boost. It is a modification that works well on its own, providing noticeable gains in horsepower and torque by ensuring the engine receives colder, denser air. Customers have appreciated the “great fitment high quality silicone” and its effectiveness, especially when paired with other modifications like a cam and exhaust. Even with some reported minor fitment issues or missing hardware, the core value proposition of improved airflow and performance makes this a worthy consideration for Hemi owners seeking upgrades.
Performance Analysis
A cold air intake enhances engine performance by supplying a greater volume of cooler, oxygen-rich air compared to the restrictive factory airbox. This denser air allows for a more efficient combustion process, directly contributing to increased horsepower and torque. The MOOSUN kit’s triple reinforced silicone components are designed for durability in the engine bay’s demanding environment. The claimed 8-10% increase in power is a substantial gain for a relatively simple bolt-on modification. However, customer feedback indicates potential challenges with fitment and missing hardware. One reviewer noted, “The fitment on the pipe was not perfect but after some tricky minutes it fits,” and “Quality on the clamps are not that good. And like almost everybody is saying here, there was missing a couple of screws.” Another reviewer had a “Horrible purchase,” citing issues with hose clamps, no MAF sensor area, and no instructions, specifically for a 2009 Challenger R/T. This suggests that while the concept is sound, execution or quality control can be inconsistent, requiring DIY problem-solving for some users.
Best For
This MOOSUN Cold Air Intake Kit is best for owners of 2005-2010 Chrysler 300C, Dodge Charger, Challenger, and Magnum models with 5.7L or 6.1L V8 Hemi engines who are seeking an accessible and effective way to increase horsepower, torque, and potentially fuel economy. It’s a fundamental step in performance modification for these vehicles, offering benefits complementary to exhaust upgrades, even if it’s not an exhaust header itself.
Our Expert Opinion
The MOOSUN Cold Air Intake Kit offers a compelling upgrade for 5.7 Hemi Chrysler 300C owners interested in improving their engine’s breathing and overall performance. Its direct compatibility with the target vehicle and significant claimed power gains make it an attractive option. However, the recurring customer issues with fitment, missing hardware, and clamp quality are significant drawbacks that potential buyers should be aware of. While it’s not a long tube header, its function in enhancing engine efficiency is parallel to that of a good exhaust system. For those willing to potentially troubleshoot minor installation issues, this kit could offer solid performance gains at a competitive price point, providing a valuable lesson in the realities of aftermarket part installation.
Complete Buying Guide for Best Long Tube Headers For 5.7 Hemi Chrysler 300C
Choosing the right performance parts for your 5.7 Hemi Chrysler 300C is crucial, especially when it comes to significant upgrades like long tube headers. While our product reviews covered a range of components and applications, the principles of selecting quality performance parts remain universal. True long tube headers are designed to maximize exhaust gas scavenging, resulting in substantial gains in horsepower and torque, particularly in the mid to high RPM range. This buying guide will focus on the essential factors you should consider to ensure you select the best possible exhaust upgrade for your Chrysler 300C Hemi, assuming you are looking for true long tube headers specifically designed for your vehicle.
Essential Factors We Consider
When searching for the best long tube headers for your 5.7 Hemi Chrysler 300C, several critical factors come into play:
- ✓ Material Quality: The choice of material directly impacts durability and performance. Stainless steel, particularly 304 stainless steel, is highly recommended for its excellent corrosion resistance and ability to withstand high exhaust temperatures without deforming. Cheaper mild steel headers may rust prematurely and degrade over time.
- ✓ Primary Tube Diameter: For the 5.7 Hemi, primary tube diameters typically range from 1 3/4 inches to 1 7/8 inches, and sometimes up to 2 inches for highly modified engines. Smaller diameters generally favor low-end torque, while larger diameters enhance high-RPM horsepower. A 1 7/8-inch primary is often a sweet spot for a naturally aspirated 5.7 Hemi, offering a good balance of gains across the powerband.
- ✓ Collector Design: The collector is where the primary tubes merge. A well-designed collector, often a true merge collector, promotes efficient exhaust gas scavenging, which is key to optimizing engine performance. A 3-inch collector is common and effective for a 5.7 Hemi with long tube headers.
- ✓ Fitment and Clearance: This is paramount for any header installation. Headers must fit perfectly within the tight confines of the engine bay and chassis, clearing steering components, suspension, and the transmission. Look for headers specifically designed for the Chrysler 300C 5.7 Hemi to minimize installation headaches. Reviews often highlight fitment issues, so research is crucial.
- ✓ Installation Difficulty: Long tube headers are generally more challenging to install than shorty headers due to their length and routing. Professional installation is often recommended to ensure proper alignment, sealing, and clearance. Consider if the headers come with all necessary gaskets, bolts, and extension pipes for an easier installation.
- ✓ Welding Quality: High-quality welds, particularly TIG welding, indicate superior craftsmanship and reduce the likelihood of cracks and exhaust leaks. Inspect product images or inquire about the welding process.
- ✓ Oxygen Sensor (O2 Sensor) Bungs: Ensure the headers have bungs positioned correctly for your vehicle’s O2 sensors, including both upstream and downstream sensors, to avoid check engine lights and ensure proper engine management.
- ✓ Catalytic Converters: Many long tube headers are designed for off-road use and may not include catalytic converters, making them illegal for street use in some regions. If street legality is important, look for “catted” long tube headers or plan for high-flow catalytic converters to be integrated downstream.
- ✓ Brand Reputation and Reviews: Opt for reputable brands known for quality and performance in the Hemi community. Pay close attention to user reviews regarding fitment, durability, and actual performance gains.
Budget Planning
Investing in long tube headers for your 5.7 Hemi Chrysler 300C is a significant commitment. Prices can vary widely based on material, brand reputation, and whether catalytic converters are included. Expect to pay anywhere from $700 to $2000+ for a quality set of stainless steel long tube headers. Remember that the initial purchase price is only part of the equation. You’ll also need to factor in potential installation costs if you’re not doing it yourself (which can range from $300-$800+), and the cost of any necessary custom tuning. A custom tune is often highly recommended, if not mandatory, after installing long tube headers to maximize power gains, prevent check engine lights, and optimize air-fuel ratios. Budgeting for quality, professional installation and tuning will ensure you get the most out of your investment and avoid costly issues down the road. Resist the temptation to go for the cheapest option if it means compromising on material quality or fitment, as this often leads to more expense in the long run.
Final Thoughts
Upgrading your 5.7 Hemi Chrysler 300C with long tube headers is one of the most impactful modifications you can make for increased horsepower, torque, and an aggressive exhaust note. While the product examples we reviewed highlighted the diversity of aftermarket components and the importance of specific application, the principles of quality construction (e.g., 304 stainless steel, TIG welding), precise fitment, and intelligent design (e.g., primary tube diameter, collector type) remain universal for optimal performance. Thorough research into vehicle-specific fitment, material quality, and customer experiences is paramount. Always verify that the headers you select are indeed designed for your Chrysler 300C 5.7 Hemi and consider the implications for street legality and tuning. With careful planning and selection, you can unlock a thrilling new level of performance from your Hemi-powered machine.
Frequently Asked Questions
Q: What are the main benefits of installing long tube headers on a 5.7 Hemi Chrysler 300C?
A: Installing long tube headers on your 5.7 Hemi Chrysler 300C primarily offers significant improvements in horsepower and torque. They achieve this by replacing the restrictive factory exhaust manifolds with tubes that are individually routed and longer, allowing for better exhaust gas scavenging. This more efficient exhaust flow reduces backpressure, enabling the engine to breathe more freely and produce more power, especially in the mid to high RPM range. Additionally, they often produce a more aggressive and desirable exhaust sound.
Q: Are long tube headers difficult to install on a Chrysler 300C Hemi?
A: Generally, yes, long tube headers are considered a challenging installation on most vehicles, including the Chrysler 300C Hemi. The process often involves working in tight spaces, removing various engine accessories, and potentially modifying parts of the exhaust system. Due to the complexity and the need for precise fitment and sealing, professional installation is often recommended to avoid issues like exhaust leaks, clearance problems, or damaged components. Proper alignment and tightening are crucial for optimal performance and longevity.
Q: Do I need a custom tune after installing long tube headers on my 5.7 Hemi?
A: Yes, a custom tune is highly recommended, and in many cases, essential after installing long tube headers on your 5.7 Hemi Chrysler 300C. Headers significantly alter the engine’s exhaust flow and backpressure, which can throw off the factory’s air-fuel ratio programming. A custom tune optimizes your engine’s computer (PCM/ECM) to account for these changes, maximizing your horsepower and torque gains, preventing check engine lights (especially if catalytic converters are removed), and ensuring the engine runs efficiently and safely.
Q: What is the difference between shorty headers and long tube headers?
A: The main difference lies in their length and design. Shorty headers are a direct replacement for the factory exhaust manifolds, retaining a similar compact design. They offer minor improvements in exhaust flow and some acoustic benefits. Long tube headers, on the other hand, feature much longer primary tubes that extend further down the chassis, often past the transmission crossmember. This extended length and optimized routing greatly enhance exhaust gas scavenging, providing substantially larger gains in horsepower and torque across the RPM band compared to shorty headers. However, long tubes are typically more expensive and complex to install.
Q: Will long tube headers make my Chrysler 300C Hemi fail emissions tests?
A: This depends on your local emissions laws and the specific header design. Many long tube headers are designed for off-road use and may eliminate or relocate catalytic converters. If your headers do not include catalytic converters, or if they move them too far from the engine, your vehicle will likely fail emissions tests. Some manufacturers offer “catted” long tube headers that integrate high-flow catalytic converters, which can help with emissions, but their legality still varies by state/region. Always check your local regulations before purchasing or installing.
Q: What materials are best for long tube headers?
A: For optimal durability and performance, stainless steel is the preferred material for long tube headers. Specifically, 304 stainless steel is widely regarded as the best choice due to its excellent corrosion resistance, high strength, and ability to withstand extreme exhaust temperatures without cracking or deforming. Cheaper mild steel headers are prone to rust and may require ceramic coating for longevity, but even then, they might not match the durability of stainless steel over time.
Choosing the ideal long tube headers for your 5.7 Hemi Chrysler 300C is an investment in exhilarating performance and a truly captivating driving experience. By carefully considering material quality, precise fitment, and the necessity of professional installation and tuning, you can transform your Hemi into an even more formidable machine. Don’t hesitate to explore the options and make the upgrade that will redefine your driving pleasure. Click here to check out the latest long tube header options on Amazon!
