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					Originally Posted by jasoncooperpcola  What does the racing tuner and exhaust bucket add hp wise? Just wondering?? | 
	
 not much unless your engine is tuned for the decreased backpressure. I was going to get my 200hp 2.5 port matched, decked and then the heads shaved down and then tune it with pyrometers so the a/f ratio was going to be spot on.