Stainless Works Long Tube Headers and Mid Pipes

2012–2018 Jeep Grand Cherokee 6.4L SRT8

JEEP64HCAT

Overview:

The Stainless Works Long Tube Headers and Mid Pipes are engineered specifically for the 2012–2018 Jeep Grand Cherokee equipped with the 6.4L SRT8 V8 engine. Designed to enhance exhaust flow and maximize engine performance, this header system is ideal for enthusiasts looking to improve throttle response, increase horsepower, and achieve a more aggressive exhaust note. Featuring a bolt-on design, these headers and mid pipes provide a direct upgrade over the factory exhaust manifolds, delivering instant power gains without compromising reliability.

Whether you’re hitting the track or upgrading your daily driver, Stainless Works offers a premium exhaust solution that combines durability with performance. The system is available with high-flow catalytic converters to maintain emissions compliance while optimizing exhaust scavenging.

Key Features:

Built to deliver superior exhaust flow and durability, these headers and mid pipes include:

• Long tube header design with 1-7/8" primary tubes for improved exhaust scavenging
• Port-matched flanges for a precise fit and optimal sealing
• 3" diameter high-flow catalytic converters included for efficient emissions control
• Smooth mandrel bends to maintain consistent exhaust velocity and reduce turbulence
• Fully TIG welded joints for enhanced strength and corrosion resistance
• Constructed from premium 304 stainless steel for long-lasting durability
• Lifetime warranty on materials and craftsmanship
• Made in the USA at Stainless Works’ state-of-the-art facility in Streetsboro, Ohio

Construction & Design:

Stainless Works manufactures these headers and mid pipes from high-grade 304 stainless steel, known for its excellent corrosion resistance and strength. The tubes are mandrel bent to ensure smooth, unrestricted exhaust flow, minimizing backpressure and maximizing engine efficiency. Each component is meticulously TIG welded to provide a robust, leak-free assembly that withstands the rigors of high-performance driving and harsh environmental conditions.

The port-matched flanges guarantee a perfect seal against the cylinder head, simplifying installation and preventing exhaust leaks. The inclusion of 3" high-flow catalytic converters balances performance gains with emissions compliance, making this system suitable for street-driven vehicles where legal requirements apply.

Performance & Sound

Upgrading to Stainless Works long tube headers and mid pipes significantly improves the breathing capability of the 6.4L V8 engine. This results in enhanced throttle response, increased horsepower, and a more aggressive exhaust tone that reflects the power of the SRT8 engine. The smooth mandrel bends and high-flow cats optimize exhaust gas evacuation, reducing engine strain and improving overall efficiency.

Installation & Fitment:

Designed as a direct bolt-on replacement for the factory manifolds and mid pipes, this Stainless Works header system installs with minimal modifications required. The port-matched design ensures a precise fit to the Jeep Grand Cherokee 6.4L SRT8 engine from model years 2012 through 2018. Installation typically requires standard hand tools and moderate mechanical experience. Detailed instructions are provided to guide you through the process.

What's Included:

• 1-7/8" diameter long tube headers
• 3" diameter high-flow catalytic converters integrated into mid pipes
• All necessary gaskets and hardware for installation
• Lifetime warranty documentation

Ideal For:

This header and mid pipe system is perfect for Jeep Grand Cherokee SRT8 owners seeking to unlock additional power and improve exhaust sound without sacrificing emissions compliance. It suits performance enthusiasts who demand quality craftsmanship, durability, and a noticeable upgrade in engine responsiveness for street or track use.

Emissions Note

Stainless Works does not ship headers, downpipes, catalytic converters, or any parts affecting motor vehicle emission control to addresses in California. This product includes high-flow catalytic converters but may not be CARB-compliant for all states. Please verify local regulations before purchasing.

Stainless Works builds exhaust systems, mufflers, and fabrication components. Designed for enthusiasts who want sound, flow, and fitment, their exhaust solutions balance fitment, tone, and performance-minded flow characteristics. If you’re upgrading for a more engaging sound and a cleaner, higher-quality exhaust setup, Stainless Works is a proven name in the aftermarket.