MRT Extreme Cat-Back Exhaust System W/4" Polished Tips Focus RS 2016-2018
Highlights
- T304 Stainless Steel
- 3” Mandrel Bent Piping
- Loud, Aggressive Exhaust Note
- Proudly Made in the USA
MRT Extreme Cat-Back Exhaust System with 4" Polished Tips for 2016, 2017, and 2018 Focus RSs.
The MRT (91J000) Extreme Cat-Back Exhaust System is designed to be a performance upgrade for 2016-2018 Focus RSs. The MRT (91J000) Cat-Back Exhaust System is constructed from high quality T304 Stainless Steel that is mandrel-bent that will reduce exhaust flow restrictions. The MRT Extreme Cat-Back Exhaust System will produce a Loud and Aggressive exhaust note. The Cat-Back runs all the way back to the factory cut outs in the rear bumper. The Exhaust Tips are Double Walled, 4” in diameter with a beveled edge. The Exhaust Tips are polished to a mirror-like finish. The MRT Extreme Cat-Back Exhaust System is proudly manufactured in the USA!
Features & Benefits:
- Fits 2016-2018 Focus RSs
- Constructed from T304 Stainless Steel
- 3” Mandrel Bent Piping
- Loud, Aggressive Exhaust Note
- Dual 4” Double Wall Exhaust Tip
- Includes all Necessary Mounting Hardware
- Simple Installation (Mounts in the Factory Location)
- Proudly Made in the USA!
California Residents: Proposition 65 Warning
Related Categories: Ford Focus ST Parts, Ford Focus RS Parts, Focus RS Exhaust
Installation Difficulty

Novice skill is required for this installation.









