GSC Stage 2 Billet Camshafts 272/272 - Subaru WRX 2006-2007 / STI 2004-2007 Baja Turbo In the chart below

In the chart below

Note: Tuning is required before vehicle operation

Years: 2015-on

5" rear exhaust system to replace the extremely restrictive OEM heavy bulky -overly complicated Acura valved exhaust

GSC Stage 2 Billet Camshafts 272/272 - Subaru WRX 2006-2007 / STI 2004-2007 Baja Turbo In the chart belowGSC Power Division billet S2 camshafts for the USDM STi and WRX with Intake only AVCS. These cams are built to suit the high horsepower Subis. With a power range of 500 WHP and up, you need some certain mods to utilize the true potential of the S2s: built motor, with a built ported head, and a turbo capable of supporting 500+ WHP. Upgraded valve springs are required; beehive valve springs are recommended, but not required. Check Pictures for cam