Cobb 2in. Stainless Steep Up-Pipe - 2004-2021 Subaru STI (Incl. Type RA/S209) / 2006-2014 WRX / 2006-2013 Forester XT 2008-2014 STI Cobb SF Intake + Airbox

Cobb SF Intake + Airbox — Black — 2007-2009 Mazdaspeed3

these are the fix

carbon fiber

4inHg to 20inHg activation change

Side mount included

Cobb 2in. Stainless Steep Up-Pipe - 2004-2021 Subaru STI (Incl. Type RA/S209) / 2006-2014 WRX / 2006-2013 Forester XT 2008-2014 STI Cobb SF Intake + AirboxCobb 2 Inch Stainless Steel Steep Uppipe 2004 2021 Subaru STI 2006 2014 WRX 2006 2013 Forester XT The Cobb 2 Inch Stainless Steel Steep Uppipe for the 2004 2021 Subaru STI, 2006 2014 WRX, and 2006 2013 Forester XT replaces the factory uppipe between the turbocharger outlet and catalytic converter with a 2 inch diameter stainless unit using a steeper routing angle. The larger diameter and steeper routing reduce backpressure at the turbocharger outlet,