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Shamrock · 07-03-2012, 10:01 AM

SS firehawk. You say shortie headers gain 5WHP. So what kind of gains are long headers giving? You are saying that most of the gains are achieved through replacing cats and exhaust? Which is how much while keeping stock headers.

Nick what are aams?

07-03-2012, 10:01 AM	#5 (permalink)
Shamrock Base Member Join Date: Apr 2012 Location: Israel Posts: 215 Drives: 370z 2011 AT White Rep Power: 13	SS firehawk. You say shortie headers gain 5WHP. So what kind of gains are long headers giving? You are saying that most of the gains are achieved through replacing cats and exhaust? Which is how much while keeping stock headers. Nick what are aams?