Roush Exhaust Resonator Delete H-Pipe Stainless Steel GT 2015-2021
Highlights
- Mandrel Bent
- 2-1/2" Tubing Diameter
- Aggressive Exhaust Tone
- Increases Horsepower & Torque
Roush Stainless Steel Exhaust Resonator Delete H-Pipe for 2015, 2016, 2017, 2018, 2019, 2020 and 2021 GT Mustangs.
The Stainless Steel Exhaust Resonator Delete H-Pipe from Roush is an easy way to achieve an aggressive sound with improved performance for your 2015-2021 GT Mustang. This H-Pipe is a direct replacement for the restrictive, factory resonator on your S550 GT and will significantly increase exhaust flow for maximum horsepower and torque. Best of all, Roush's H-Pipe will not trigger any engine warning lights after installation!
Features and Benefits:
- Reduces Back Pressure and Increases Exhaust Flow
- Increases Horsepower and Torque
- Provides an Aggressive Exhaust Tone
- Stainless Steel Construction with Mandrel Bent Tubing
- Includes All Necessary Mounting Hardware for an Easy Installation
- Significantly Lighter than Factory Resonator
Made from 2-1/2" mandrel bent stainless steel tubing, this premium quality Resonator Delete H-Pipe Assembly 422119 from Roush is manufactured with long lasting durability in mind. The Roush mid-pipe was engineered using OEM vehicle CAD data to ensure a perfect fit. Once installed, your 2015-2021 Mustang GT will benefit from improved exhaust flow with less back pressure.
Includes:
- (1) H-Pipe Assembly
- (2) Stainless Steel 2-1/2" Clamps
*This H-pipe does NOT require any welding or tuning for installation.
Please Note: Installation will require cutting of the factory exhaust piping. Once the modifications have been made to the factory exhaust system, installation is a simple bolt-in procedure.
How well do you want your Mustang to look and perform? With any of the parts from Roush Performance, you can give it a major performance overhaul, and add some visual styling that will make your Mustang stand apart from the crowd.
Order a Roush 422119 Stainless Steel Exhaust Resonator Delete H-Pipe for your 2015, 2016, 2017, 2018, 2019, 2020 or 2021 GT Mustang from CJ Pony Parts today!
California Residents: Proposition 65 Warning
Installation Difficulty

Intermediate skill is required for this installation.