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GFB's unique patented venting bias adjustment system allows you to adjust the sound of the blow off valve - it allows the amount of air vented to atmosphere or recirc to be infinitely varied to change the sound from silent to ear-shattering or anywhere in between
Saves weight in comparison to the OEM exhaust
GSC Power-Division billet S1 camshafts for the USDM STi and WRX with Intake only AVCS
a lack of exit air path from the bottom side of the intercooler creates a virtual 'traffic jam' of hot air in the engine bay which rapidly reduces intercooler efficiency in demanding conditions
NRG Floor Mats - 03-05 Evo 8 (Evolution Logo) - 4pc. short GFB's unique patented venting biasNRG Floor Mats 03 05 Evo 8 (Evolution Logo) 4pc.
