2018-26 Mustang Roush Cat Back Exhaust Kit - Non-Active Exhaust - Polished Quad Tips GT Coupe by Roush

Price: 1499.99 USD
Availability: InStock

2018-26 Mustang Roush Cat Back Exhaust Kit - Non-Active Exhaust - Polished Quad Tips GT Coupe

Give your 2018-2026 Mustang GT coupe an aggressive sound with the Roush quad tip cat back system!

Item #RSH-422093
MPN# 422093

Everyday Low Price: $1,499.99

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Ships by Monday, September 28

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LMR showroom & will call pickup service will be closed beginning Monday 9/21/26 for renovations until further notice. Need help? Contact Us.

Benefits

Reduces Back Pressure
Lightweight Design
Improved Exhaust Flow
Limited Lifetime Warranty
Bolt On Installation

Features

304 Stainless Steel Construction
3.5" Polished Stainless Quad Tips
X Pipe Resonator Delete

What's in the Box

(2) High-Flow Mufflers
(1) X-Pipe
(2) Integrated Mid-Pipes
(2) Stainless Steel Tips
Installation Hardware

Roush Cat Back Exhaust Kit
Upgrade your 2018-2026 Mustang GT exhaust system with the Roush cat back exhaust system form LMR.com. Featuring the Roush X pipe resonator delete and straight-through muffler design, this Roush cat back system will give your S550 or S650 Mustang the deep aggressive sound at idle and while cruising. Designed to be a bolt-on installation, this Roush cat back will install is straight forward with basic hand tools without any cutting of the factory exhaust system for the installation.

Roush Quality
Roush's cat back kit is designed and tested to give your S550 or S650 5.0 the most aggressive sound and performance possible. Featuring mandrel-bent pipes, this helps reduce back pressure and the disruption of airflow by using tubing that is smooth and doesn't neck down. This kit uses T-304 stainless steel pipes with 3.5" stainless steel quad polished tips that prevent corrosion and rust to give you long-lasting performance!

ROUSH® Limited Warranty - Click Here

Ford Mustang - 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Sub Models: GT
Body Styles: Coupe

Fitment Notice

Will NOT fit convertible moldels
Fits 2018-2026 Mustang 5.0L Coupe without Active Exhaust

Installation Instructions

Download the pdf Link opens in a new window

California Residents:

WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov

About This Brand

Roush - The Art of Performance Engineering
ROUSH Performance is the first specialty-vehicle company to combine race-proven technologies with advanced automotive engineering. The result, a unique mix of street car and race car...Is a ROUSH car. Or more specifically, a ROUSH Mustang or F-150 pickup with styling, performance, and handling characteristics derived from the racetrack and modified for street legal usage. The vehicles and components produced by ROUSH Performance are imprinted with Jack Roush's vision, passion for performance, and commitment to excellence. He personally approves the design, engineering, fit, finish and overall performance of each package, ensuring that his personal standards are met prior to production and product release. Many of these products are designed by the same engineering group that has helped Roush Racing become the winningest Ford racing team in history.