Injen Catback Exhaust System

2020–2023 Jeep Gladiator JT 3.6L V6

Part #: SES5007

Overview

The Injen Single High Tuck Catback Exhaust System is a precision-engineered upgrade designed exclusively for the 2020 to 2023 Jeep Gladiator JT with the 3.6L V6 engine. This exhaust system delivers a balanced combination of enhanced performance, distinctive sound, and rugged durability, tailored for Jeep enthusiasts who demand more from their vehicle without compromising off-road capability or ground clearance. Whether navigating challenging trails or cruising on the highway, the Injen Catback exhaust provides a smooth, deep tone that complements the Gladiator’s aggressive character while improving throttle response and overall driving dynamics.

Built as a direct bolt-on solution, this system offers a reliable and visually appealing upgrade that maintains the factory exhaust exit location, ensuring compatibility with a wide range of aftermarket bumpers and suspension setups. It is ideal for drivers seeking a durable, high-quality exhaust that enhances both the auditory and performance aspects of their Jeep Gladiator.

Key Features

The Injen Catback Exhaust System combines advanced engineering with premium materials to deliver superior performance and sound tailored to the Jeep Gladiator. Key features include:

• Full 3" mandrel-bent 304 stainless steel tubing for maximum exhaust flow and long-lasting corrosion resistance
• Injen’s signature low-profile oval muffler designed specifically for the Gladiator’s 3.6L V6 powerplant
• High-tuck, single-exit design that preserves factory exhaust exit location for seamless integration with aftermarket accessories
• Dyno-proven performance gains of up to 5 horsepower and 5 lb-ft of torque for improved throttle response
• Shallow muffler height to increase ground clearance during extreme off-road use
• Premium stainless steel hardware and hangers included for secure, vibration-free installation
• Handcrafted and TIG welded construction for exceptional strength and durability
• Show-quality embossed stainless steel muffler for a clean, polished appearance
• Designed to pair perfectly with Injen cold air intake systems (EVO5005 and EVO5005C) for optimized performance

Construction & Design

Crafted from premium 304 stainless steel, the Injen Catback Exhaust System features mandrel-bent tubing that ensures smooth, unrestricted exhaust flow while resisting corrosion for years of reliable service. The system’s pipe routing is carefully engineered to reduce backpressure and optimize power delivery without sacrificing necessary clearance for off-road obstacles.

The uniquely shaped oval muffler is designed to provide the ideal internal volume to refine the Gladiator’s exhaust note, delivering a deep and smooth tone without excessive drone or volume. Each weld is meticulously TIG welded by hand in Pomona, California, guaranteeing superior build quality and long-lasting durability under demanding conditions.

Performance & Sound

This exhaust system enhances the Jeep Gladiator’s engine note with a refined yet aggressive tone that is distinctly Injen. The deep, smooth sound enriches the driving experience without becoming overly loud or fatiguing during extended highway cruising. Dyno testing confirms measurable performance improvements, with gains of up to 5 horsepower and 5 lb-ft of torque, resulting in sharper throttle response and improved engine efficiency.

Installation & Fitment

The Injen Catback Exhaust System is designed for a straightforward, direct bolt-on installation with no cutting, welding, or modifications required. It fits all 2020 to 2023 Jeep Gladiator JT models equipped with the 3.6L V6 engine, including the 80th Anniversary, Altitude, Freedom, High Altitude, Launch Edition, Mojave, Overland, Rubicon, Sport, Sport S, Texas Trail, Willys, and Willys Sport trims.

The exhaust exits at the factory location, maintaining compatibility with a wide variety of aftermarket bumpers and suspension setups. Installation typically requires only basic hand tools and moderate mechanical experience, making it accessible for most enthusiasts.

What's Included

• 3" mandrel-bent 304 stainless steel exhaust tubing
• Injen low-profile oval muffler
• Premium stainless steel hardware and hangers
• Detailed installation instructions

Ideal For

This catback exhaust system is perfect for Jeep Gladiator owners who want to elevate their vehicle’s performance, sound, and appearance without compromising off-road capability. It suits enthusiasts who demand a durable, high-quality exhaust upgrade that delivers measurable power gains and a distinctive exhaust tone tailored specifically to the Gladiator’s 3.6L V6 engine. Whether used for daily driving, weekend adventures, or serious off-roading, the Injen Catback Exhaust System offers a reliable and stylish solution that enhances the overall driving experience.

Injen is a performance intake and airflow brand best known for dyno-proven cold air intakes and intake systems built for enthusiast street and track builds. Their catalog spans intake kits, filters, and supporting components designed to increase airflow, sharpen throttle response, and add a more aggressive induction note.