Lachute Performance Catback - 2011-2021 WRX & 2011 -2021 STI Grandeur de la flange:3" the better it seals)

the better it seals)

Change Maps:  Store up to 100 maps from our OTS map database or from your favorite COBB tuner and quickly switch between them for any need

Eibach's SPORTLINE-KIT delivers maximum handling performance with lower center-of-gravity and track focused spring design

and are designed to provide an increase in horsepower

Prevent expensive trips to the dealership

Lachute Performance Catback - 2011-2021 WRX & 2011 -2021 STI Grandeur de la flange:3" the better it seals)Completely assembled by hand and built from 304 stainless steel to provide a quality finish and a precise fitment. Equipped with a 1 2 inch thick inlet flange for reduced distortion and a flex pipe to allow for movement, it is a true 3 inch catback all the way through. The inlet flange will also virtually fit any available J Pipe downpipe. A flex section was added to minimize vibrations and stress. Weve built this catback with multiple v band flanges