Thread: Exhaust systems
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Old 09-06-2013, 07:10 PM   #5
y5mgisi
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Join Date: Jun 2006
Location: Portland, OR
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Re: Exhaust systems

Actually, Dual 3" is wayyyy to big for your 400! For 3" duals you better be paicking a big, big block at over 500hp.

http://www.exhaustvideos.com/faq/how...pipe-diameter/
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