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

13-18 Ram 1500 5.7L Hemi (8-speed)

19-24 Ram 1500 5.7L Hemi CLASSIC MODELS (8-speed)

RM158-13178300FSNC

The American Racing Headers Full System with a 3" Y-Pipe and dual exit is engineered specifically for the 2013–2018 Ram 1500 equipped with the 5.7L Hemi engine and 8-speed transmission. Designed to enhance both power and sound, this complete exhaust system replaces the factory setup with long tube headers, a high-flow Y-pipe, and the Pure Thunder Muffler Series featuring dual exhaust exits. Ideal for enthusiasts seeking a significant performance upgrade, this system delivers a substantial horsepower gain without requiring tuning.

Built to accommodate both square-port and D-Port cylinder heads as well as 6-speed and 8-speed models, this system ensures a precise fit and optimized exhaust flow for your Ram 1500. Whether you’re upgrading for improved throttle response, better sound, or increased power, this full system is a comprehensive solution tailored to your truck’s needs.

Key Features

This full exhaust system combines advanced engineering with premium materials to deliver superior performance and durability. Key features include:

• 100% Made in the USA with no outsourcing
• Constructed entirely from high-grade 304 stainless steel for corrosion resistance
• Long tube headers designed for optimal exhaust scavenging and flow
• 3" Y-pipe with true 2 into 1 design for improved exhaust velocity
• Pure Thunder Muffler Series with dual polished 4" stainless steel double-wall tips
• 3/8" thick laser-cut flanges to ensure a warp-free, leak-proof seal
• Hand-ported TIG welded inlets for smooth transitions and durability
• Optimized primary tube routing for superior fitment and performance
• Merge collectors featuring scavenger spikes to enhance exhaust pulse tuning
• Severe duty 300 cell catalytic converters included, with optional upgrade to 400 cell G-Sport converters available upon request

Construction & Design

Every component of this full system is meticulously crafted from premium 304 stainless steel, known for its excellent resistance to rust and heat. The headers feature hand-ported inlets and TIG welding, ensuring precision and strength at critical junctions. Laser-cut flanges with a substantial 3/8" thickness provide a stable, warp-resistant connection to the engine, preventing leaks and maintaining performance over time.

The long tube header design improves exhaust scavenging by optimizing the length and diameter of the primary tubes, which enhances power delivery and throttle response. The 3" Y-pipe merges exhaust gases efficiently into a single flow path before splitting into dual exits, maximizing exhaust flow and contributing to the aggressive sound profile of the Pure Thunder mufflers.

Performance & Sound

This full system delivers a notable power increase, with an untuned gain of 35 rear-wheel horsepower (RWHP) demonstrated on the Ram 1500 5.7L Hemi. The Pure Thunder mufflers provide a deep, aggressive exhaust note that enhances the driving experience without excessive drone. Dual polished stainless steel tips complete the look and sound, giving your Ram 1500 a commanding presence both visually and audibly.

Installation & Fitment

The system is designed for direct bolt-on installation on 2013–2018 Ram 1500 trucks equipped with the 5.7L Hemi engine and 8-speed transmission. It fits both square-port and D-Port cylinder head configurations, as well as 6-speed and 8-speed models, ensuring broad compatibility. Installation requires standard mechanical skills and tools, with no major modifications necessary. For best results, professional installation is recommended to ensure proper fit and sealing.

What's Included

• Long tube headers
• 3" Y-pipe with true 2 into 1 design
• Pure Thunder Series mufflers with dual 4" polished stainless steel double-wall tips
• Severe duty 300 cell catalytic converters (upgrade option available)
• All necessary flanges and mounting hardware

Ideal For

This full exhaust system is perfect for Ram 1500 owners who want to maximize the performance potential of their 5.7L Hemi engine. It suits enthusiasts looking for a powerful, aggressive exhaust sound combined with a significant horsepower increase. Whether you use your truck for daily driving, towing, or weekend performance, this system offers a reliable and durable upgrade that enhances both power and style.

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 or highways and may subject the owner to fines or criminal liability under the Clean Air Act. Please verify local laws and 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.