Corsa Catback Exhaust Polished Tips WRX (2011-2014) STI (2008-2014) Hatchback Nissan - Sensor mounting pads are

- Sensor mounting pads are precision CNC machined for a positive seal mating surface

Get rid of the ugly and heavy stock steel mounts and replace them with CNC machined 6061-T6 billet aluminum lightweight mounts

they included an additional O2 sensor bung and plug in an ideal location for aftermarket wideband sensors

SB-017 - Heavy Duty Pressure Plate - Clamp load increase of 70%

meaning you won't find a wide array of colors or useless cosmetics

Corsa Catback Exhaust Polished Tips WRX (2011-2014) STI (2008-2014) Hatchback Nissan - Sensor mounting pads areThanks to their unique, unmatched muffler technology, the drone busters at Corsa Performance Exhaust have created the ideal exhaust system for your 2011 2014 Subaru WRX hatchback and 2008 2014 STI hatchback. Corsa Sport exhaust systems for the Subaru WRX STI employ a straight through, non restrictive design. They're coupled with their patented reflective sound cancellation science to tune out annoying low frequencies that cause droning and leave you