Thread: How much HP 2.5 exhaust?
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Old 10-30-2013, 08:31 PM   #28
axis
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Drives: 2010 Black 2SS/RS A6
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Quote:
Originally Posted by Criag B View Post
I would agree, hell back in the day a SBC with anything over 500 hp always got 3 inch pipe on it.
I agree but I wouldn't hesitate to leave the stock 2.5in piping on a 500+whp car. Once you're boosted and pushing well over 600whp, you NEED a bigger exhaust.
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