MBRP 2013-2017 Ford Focus ST 2.0L Ecoboost 3" Cat Back, Dual Center Outlet, Aluminized Steel

S4200AL

With dyno numbers beyond belief, awesome acceleration, huge 4" double walled mirror polished stainless tips and an absolutely perfect sound, this cat back kit will make your Focus ST really come alive.

3" diameter tubing and mufflers
38% increase in CFM flow
Rear wheel dyno increases of 18HP and 16TQ on a stock vehicle. Larger gains for modded vehicles.
4" dual walled T304 stainless steel tips
100% bolt on design
Dyno tuned for maximum performance
Rich, assertive exhaust note
High flow Muffler and Resonator
3 year warranty
Available in 3" mandrel bent T304 Stainless, T409 Stainless, and Aluminized Steel.