Cobb Tuning Cat-Back Exhaust for 2013+ Focus ST Fiesta ST This versions is known to

This versions is known to get rowdy in the mid range

100% Methanol Resistant (Stainless Steel

we use a 7/64 pilot drill bit through the bracket mounting holes to mark the location for bigger holes (7/32)

The end result is sharper throttle response

Oil accumulation will occur in the intercooler which lowers the thermal efficiency properties of the heat exchanger and leads to decreased performance

Cobb Tuning Cat-Back Exhaust for 2013+ Focus ST Fiesta ST This versions is known toDESCRIPTION Part of the COBB Stage 3 Package, our 3" Stainless Steel Dual Tip Cat Back for the Ford Focus ST is a direct replacement cat back exhaust that boasts full 304 stainless steel construction, custom inline mufflers, and dual 4" double wall tips, resulting in a unique exhaust note. Perfectly tuned out of the box with the Accessport and ready to run with easy installation! WHY? The COBB 3" Stainless Steel Dual Tip Cat Back for the Ford Focus ST