Injen Axleback Exhaust Civic Si (2012-2013) Ford 1 HP on a base

1 HP on a base Cooper

this valve is designed to vent partly to atmosphere and partly back to the intake giving you the "best of both worlds"

Stage 3 for Audi S3 1

The PERRIN EBCS Pro comes with a Laser cut stainless steel mounting bracket which will never corrode and provides a solid mounting surface

Injen Axleback Exhaust Civic Si (2012-2013) Ford 1 HP on a baseThis Injen SES exhaust for the 2012+ Honda Civic Si 2. 4L is a direct bolt on axleback exhaust. This Injen exhaust for the new Civic Si and produces a dyno proven 6. 79 horsepower and 5. 57 torque. Exhaust is fully stainless steel and comes with all necessary bolt, nuts and gaskets needed for install. This Injen exhaust is made in the USA and features a 1 year warranty. This exhaust for your Civic Si features an Injen straight through muffler, and