Thread: GMPP Prices?
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Old 11-04-2008, 03:02 PM   #7
383ss
 
Drives: 1985 IROC, 2011 Camaro
Join Date: Oct 2008
Location: Lemont, IL
Posts: 284
Quote:
Originally Posted by Scooter View Post
What do shorty headers give you???
about 10 hp. not much.


long tubes will be about 25hp.
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