Injen Catback Exhaust Focus ST Universal increased power

increased power

oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and torque

Limited Lifetime Warranty

PERRIN polyurethane rear endlinks for your 2002-2007 WRX are made with stiff polyurethane bushings pressed into 6061T6 aluminum arms to provide a solid connection between your swaybar and chassis

3 45mm Offset with a 72

Injen Catback Exhaust Focus ST Universal increased powerInjen Technology's Super SES line of exhaust systems for the 2013 up Focus ST are dyno tuned to compliment their performance intake systems. In doing so, the Super SES exhaust provides maximum horsepower and torque gains across the entire power band. Injen's Super SES parts are manufactured from 100% 304 stainless steel in USA. This Ford Focus ST exhaust system features 3" mandrel bent stainless steel tubing, cast stainless steel flanges, and dual