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.