Injen Stainless Steel Cat-Back Exhaust
2012–2017 Jeep Wrangler / 2018 Jeep Wrangler JK 3.6L V6 Pentastar
SES5003HT
Overview:
The Injen Stainless Steel Cat-Back Exhaust system is engineered specifically for Jeep Wrangler models from 2012 to 2017 and the 2018 Wrangler JK equipped with the 3.6L V6 Pentastar engine. Designed by Injen Technology’s expert engineers, this exhaust system delivers a perfect balance of enhanced performance, aggressive sound, and durable construction. Ideal for Jeep enthusiasts seeking to improve horsepower, torque, and exhaust tone without compromising ground clearance or requiring complex modifications.
This cat-back system replaces the factory exhaust from the catalytic converter back, featuring a high tuck design that improves approach and departure angles—perfect for off-road adventures. It is crafted to provide a clean, crisp, and distinct Injen sound that complements the rugged character of the Jeep Wrangler.
Key Features:
Built to exacting standards, the Injen Stainless Steel Cat-Back Exhaust offers several key benefits:
- Mandrel-bent 3-inch stainless steel tubing for smooth, unrestricted exhaust flow
- High tuck design with mid-point dump down for increased ground clearance
- Low-profile round muffler delivering a clean, aggressive exhaust note
- Polished 3.0-inch stainless steel exhaust tips for a refined appearance
- All components 100% TIG welded and handcrafted in the USA
- Includes premium stainless steel hardware and custom hangers for a secure fit
- Dyno-proven performance gains of up to +8 horsepower and +8 lb-ft of torque
- Designed specifically for 4-door Jeep Wrangler JK models to ensure perfect fitment
- No cutting or welding required for installation
Construction & Design:
The entire exhaust system is constructed from premium 304-grade stainless steel, known for its corrosion resistance and long-lasting durability. Mandrel bending technology ensures the tubing maintains a consistent diameter throughout its length, optimizing exhaust flow and minimizing restrictions. Each flange is investment cast for precision fitment, and the system is fully TIG welded by hand in Injen’s Pomona, California facility, ensuring superior strength and craftsmanship.
The high tuck design not only enhances off-road capability by increasing ground clearance but also positions the exhaust outlet to reduce damage risk during rugged terrain driving. The polished stainless steel tips add a stylish finishing touch that complements the Jeep’s aggressive stance.
Performance & Sound
The Injen Cat-Back Exhaust system is engineered to improve both power and sound. Dyno testing confirms gains of up to 8 horsepower and 8 lb-ft of torque, providing noticeable improvements in throttle response and overall engine efficiency. The system’s unique muffler design produces a clean, crisp, and aggressive exhaust tone that enhances the driving experience without excessive drone or harshness.
Installation & Fitment:
Installation is straightforward and designed to be a direct bolt-on replacement for the factory exhaust on 4-door Jeep Wrangler JK models from 2012 to 2017 and the 2018 JK. No cutting, welding, or additional modifications are necessary. The system includes all necessary hardware and custom hangers to ensure a secure, hassle-free installation.
This exhaust fits the following Jeep models:
- Jeep Wrangler 75th Anniversary 2016
- Jeep Wrangler Rubicon 2012–2017
- Jeep Wrangler Sahara 2012–2017
- Jeep Wrangler Sport 2012–2017
- Jeep Wrangler Sport S 2016
- Jeep Wrangler Unlimited 75th Anniversary 2016
- Jeep Wrangler Unlimited Rubicon 2012–2017
- Jeep Wrangler Unlimited Sahara 2012–2017
- Jeep Wrangler Unlimited Sport 2012–2017
- Jeep Wrangler Unlimited Sport S 2016
- Jeep Wrangler JK Rubicon 2018
- Jeep Wrangler JK Sahara 2018
- Jeep Wrangler JK Sport 2018
- Jeep Wrangler JK Sport S 2018
- Jeep Wrangler JK Unlimited Rubicon 2018
- Jeep Wrangler JK Unlimited Sahara 2018
- Jeep Wrangler JK Unlimited Sport 2018
What's Included:
- Mandrel-bent 3-inch stainless steel tubing
- Low-profile round muffler with mid-point dump down
- Polished 3.0-inch stainless steel exhaust tips
- Custom hangers and premium stainless steel hardware
- All necessary clamps and mounting components for installation
Ideal For:
This exhaust system is ideal for Jeep Wrangler owners who want to enhance their vehicle’s performance and sound while maintaining or improving off-road capability. It suits enthusiasts looking for a durable, high-quality exhaust that delivers power gains, a distinctive exhaust note, and a polished appearance without the need for complex installation or modifications.
