COBB Tuning Stainless Cat Back Exhaust - 2011-2014 Subaru WRX/STI SS-Transfer3 This listing is the Standard

This listing is the Standard Black shift knob variant

Works in a variety of differential and transmissions

3" diameter

GSC uses an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilities

Eliminates the factory corrugated rubber hose

COBB Tuning Stainless Cat Back Exhaust - 2011-2014 Subaru WRX/STI SS-Transfer3 This listing is the StandardCobb Stainless Cat Back Exhaust with Quad Tips 2011 2014 Subaru WRX STI The Cobb Stainless Cat Back Exhaust with Quad 3. 5 inch Tips for the 2011 2014 Subaru WRX and STI adds four exhaust tip outlets to the stainless cat back system. The quad tip configuration provides a distinct rear end visual statement alongside the improved exhaust flow of the Cobb stainless system. DETAILS Platform: 2011 2014 Subaru WRX and WRX STI Material: 304 stainless steel