APR 3" turbo back good/bad??
#4
3" exhaust
ESSENTIAL BACKPRESSURE??????????????
why do u think boosted cars go big w/ exhaust diameter? You only want back pressure before the turbo, not after. the only thing a larger diameter hurts on a boosted car is your pocket.
you only want backpressure on a n/a car.
why do u think boosted cars go big w/ exhaust diameter? You only want back pressure before the turbo, not after. the only thing a larger diameter hurts on a boosted car is your pocket.
you only want backpressure on a n/a car.
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chad2442
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