aFe
aFe Twisted Steel 3in. 304 SS Catted Series Downpipe 16-18 Ford Focus RS I4-2.3L (t)
Add dyno-proven power to your Ford Focus RS with this Twisted Steel down-pipe which produced up to +10 horsepower and +14 lbs. x ft. torque max gains as measured on our in-house dyno. 3"...