Quote:
Originally Posted by steve25
Number 1 , you do not need 3" Exh back passed the mufflers unless your exceeding 650hp and number 2 , you will give yourself a hell of a hard time to fit 3" tail pipes back there and not having any rattles taking place at times!
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I'd say anything over 550hp will lose power with 2.5 inch exhaust..my car picked up a tenth and a half and 1.5 mph dropping the 2.5 tailpipes.
I believe the OP makes enough power ...
If I didn't just need 3 inch tailpipes I'd order another kit from PYPES.
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466 Mike Voycey shortblock, 310cfm SD KRE heads, SD "OF 2.0 cam", torker 2,generic one inch open spacer
373 gears 3200 Continental Convertor
best et 10.679/127.5/1.533 60ft
308 gears best et 10.76/125.64/1.5471