Quote:
Originally Posted by Street Slayer
Id take that bet lol..Nascar runs 1 5/8 headers and make over 950hp.Id say at 650rwhp you MAY pick up an extra 10 with the 2 inch
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I'm just going off my experience on the Vettes I've put blowers on. NASCAR headers are definitely not LS based car headers. Apex showed a 15 HP gain on an otherwise stock, 370 HP camaro. So less than that at 650?