Stainless Works Stainless Steel Long Tube Headers and Mid Pipes

2011–2024 Jeep Grand Cherokee 5.7L Hemi

JP57HCAT

Overview:

The Stainless Works Stainless Steel Long Tube Headers and Mid Pipes are engineered specifically for the 2011 through 2024 Jeep Grand Cherokee equipped with the 5.7L Hemi V8 engine. Designed to unlock the full potential of your Jeep’s powertrain, this header system improves exhaust flow and enhances engine breathing for noticeable gains in throttle response and overall performance. Whether you’re a weekend warrior or a dedicated enthusiast, these headers provide a reliable, bolt-on upgrade that elevates your Grand Cherokee’s driving experience.

Built with precision and durability in mind, these headers and mid pipes are an ideal choice for those seeking to improve exhaust efficiency while maintaining a clean, aggressive sound. The system is available with or without high-flow catalytic converters, allowing you to tailor your setup to your performance and emissions preferences.

Key Features:

Stainless Works long tube headers and mid pipes offer a combination of advanced design and quality craftsmanship. Key features include:

• Long tube header design with 1-7/8" primary tubes for optimized exhaust scavenging
• Port-matched flanges for a precise fit and improved exhaust flow
• 3" diameter high-flow catalytic converters available for emissions compliance and enhanced flow
• Fully TIG welded joints for superior strength and durability
• Mandrel-bent tubing to maintain consistent diameter and smooth exhaust flow
• Constructed from premium 304 stainless steel for corrosion resistance and long-lasting performance
• Designed and manufactured in the USA at Stainless Works’ Streetsboro, Ohio facility
• Lifetime warranty on materials and craftsmanship

Construction & Design:

These headers and mid pipes are crafted from high-quality 304 stainless steel, known for its excellent corrosion resistance and durability under high-heat conditions. The use of mandrel bends ensures smooth transitions throughout the exhaust path, minimizing flow restrictions and turbulence. Each component is meticulously TIG welded to provide robust joints that withstand the rigors of daily driving and high-performance use.

The port-matched flange design guarantees a perfect seal against the cylinder head, reducing leaks and improving exhaust velocity. Stainless Works’ commitment to quality is evident in every detail, from precise fitment to the polished finish that resists rust and discoloration over time.

Performance & Sound

By replacing the restrictive factory exhaust manifolds with long tube headers and high-flow mid pipes, this system significantly improves exhaust gas evacuation. This results in enhanced engine efficiency, better throttle response, and a more aggressive exhaust note that complements the muscular character of the 5.7L Hemi V8. The available high-flow catalytic converters help maintain emissions compliance without sacrificing performance.

Installation & Fitment:

Designed as a direct bolt-on upgrade for Jeep Grand Cherokee models from 2011 to 2024 with the 5.7L Hemi engine, installation requires no major modifications. The kit includes all necessary components to replace the factory headers and mid pipes, ensuring a straightforward installation process for experienced mechanics or professional shops. Proper fitment and port matching reduce installation time and potential exhaust leaks.

What's Included:

• 1-7/8" primary long tube headers
• 3" diameter mid pipes with or without high-flow catalytic converters (depending on configuration)
• Gaskets and hardware for installation
• Detailed installation instructions

Ideal For:

This header and mid pipe system is ideal for Jeep Grand Cherokee owners looking to enhance their vehicle’s performance, sound, and exhaust efficiency. It suits enthusiasts who want a durable, high-quality upgrade that delivers measurable gains on the street or track without compromising reliability or emissions compliance options.

Emissions Note

Stainless Works does not ship any items affecting motor vehicle emission control, including headers, downpipes, catalytic converters, or off-road pipes, to any address in California. Please verify local regulations before purchase.

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.