American Racing Headers Full Exhaust System (Headers, Mid Pipes, Cat-Back)

2009–2018 Dodge Ram 1500 5.7L Hemi (6-speed)

RM156-09178300FSNC

The American Racing Headers Full System is engineered specifically for the Dodge Ram 1500 equipped with the 5.7L Hemi engine from 2009 to 2018, covering the 6-speed transmissions as well as D-Port cylinder heads. This complete exhaust system includes long tube headers, a 3" Y-pipe, and a dual-exit Pure Thunder Muffler Series, designed to maximize exhaust flow and enhance engine performance. Ideal for enthusiasts seeking a significant power upgrade and aggressive exhaust tone, this system delivers a substantial horsepower gain right out of the box.

Built to elevate your Ram 1500’s performance, this full system is a direct bolt-on solution that improves throttle response, increases horsepower, and provides a distinctive dual-exit exhaust note that complements the truck’s muscular character.

Key Features

Designed with precision and durability in mind, the American Racing Headers Full System offers the following key features:

• 100% Made in the USA with no outsourcing
• Constructed entirely from premium 304 stainless steel for superior corrosion resistance
• Long tube headers optimized for maximum exhaust scavenging and power gains
• 3" Y-pipe with true 2 into 1 design for improved exhaust flow
• Pure Thunder Muffler Series featuring dual exhaust exits for an aggressive sound
• 3/8" thick laser-cut flanges ensuring a warp-free, airtight seal
• Hand-ported TIG welded inlets for smooth airflow transitions
• Optimized primary tube routing for superior fitment and performance
• Merge collectors equipped with scavenger spikes to enhance exhaust pulse tuning
• Available catted versions with severe duty 300 cell catalytic converters and optional upgrade to 400 cell G-Sport catalytic converters

Construction & Design

This exhaust system is meticulously crafted from 304 stainless steel, known for its excellent durability and resistance to rust and corrosion, ensuring long-lasting performance even under harsh conditions. The headers feature thick, laser-cut flanges that prevent warping and guarantee a perfect seal against exhaust leaks. Each inlet is hand-ported and TIG welded to promote smooth airflow and reduce turbulence, while the primary tubes are routed and sized to optimize exhaust scavenging and fitment within the engine bay.

The merge collectors incorporate scavenger spikes that improve exhaust gas velocity and pulse tuning, contributing to increased horsepower and torque. The dual-exit Pure Thunder mufflers are designed to provide a deep, aggressive exhaust note without excessive drone, enhancing the driving experience.

Performance & Sound

With an impressive gain of 35 rear-wheel horsepower (RWHP) in an untuned state, this full exhaust system significantly boosts the power output of the 5.7L Hemi engine. The long tube headers and 3" Y-pipe combination optimize exhaust flow, reducing backpressure and improving engine efficiency. The dual-exit Pure Thunder mufflers deliver a bold, throaty exhaust tone that complements the Ram 1500’s aggressive stance, making it sound as powerful as it performs.

Installation & Fitment

The American Racing Headers Full System is designed as a direct bolt-on upgrade for 2009–2018 Dodge Ram 1500 trucks equipped with the 5.7L Hemi engine and 6-speed or 8-speed transmissions. The system fits both square-port and D-Port cylinder head configurations, ensuring broad compatibility. Installation requires basic mechanical skills and standard hand tools, with no major modifications necessary. For best results, professional installation and tuning are recommended to maximize performance gains and ensure proper operation.

What's Included

• Long tube headers
• 3" Y-pipe
• Pure Thunder Muffler Series with dual exhaust exits
• All necessary flanges and hardware for installation
• Optional catalytic converters (300 cell standard, upgrade available)

Ideal For

This full exhaust system is perfect for Dodge Ram 1500 owners who want to unlock the full potential of their 5.7L Hemi engine. Whether you’re a performance enthusiast looking for increased horsepower and torque, or a truck owner seeking a more aggressive exhaust sound and improved throttle response, this system delivers reliable, high-quality results. It is especially suited for those who use their Ram for towing, hauling, or spirited driving and want a durable, long-lasting upgrade.

Emissions Note

All American Racing Headers products are manufactured exclusively for racing purposes. Installation of this system on any vehicle eliminates its legal use on public roads and highways and may subject the owner to fines or criminal liability under the Clean Air Act. Please verify local regulations before purchasing or installing this product.

American Racing Headers (ARH) builds stainless steel headers and exhaust systems aimed at serious performance gains for modern muscle and high-output platforms. The company emphasizes USA-made craftsmanship and race-proven designs, making ARH a popular choice for enthusiasts chasing power, sound, and track-ready durability.