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Old 08-17-2012, 10:29 PM   #9
ISman
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Join Date: Aug 2012
Drives: 2005 Lexus IS300
Location: Roanoke, VA
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I would be curious to see what the gains would be with header, cross-over pipe, cat-back exhaust, and crank pulley. I bet it would be close to 280-290 whp.
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