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- OEM Texture Match
This is a great way to increase the sound
- Make sure the car is OFF or the Negative terminal is disconnected from the battery
Going from 10% of the pressure scale to 90% takes
vacuum connections
GSC Stage 1 Billet Camshafts 268/266 - Subaru WRX 2006-2007 / STI 2004-2007 audi-a3-2009 - OEM Texture MatchGSC Power Division billet S1 camshafts for the USDM STi and WRX with Intake only AVCS. These will not drop any low end power, and will create more power and torque across the entire RPM range. Good for stock frame upgraded turbos or up to 500 WHP upgrades. Upgraded valve springs are required; beehive valve springs are recommended, but not required. Check Pictures for cam placement. Long nose = Left Side, short nose = Right Side Due to the lobe size,
