220 hp...
cold air intake, racing headers, get rid of ur factory exhaust, factory silencers, get a good exhaust, get new engine pulleys ( engine,cooling, etc..)...air intake goodd for maybe 2-5 hp, new exhuast maybe 5-9 depending on how good and if made for car....pulleys should be good for a few...say...4-6...next getting rid of factory exhuast..including silencers, catalytic convertor and new headers, should be good for maybe another 7-12 or so...add it up..and u got...19-32 more hp....getting light weight rims and getting rid of weight will also help without more add-ons...
2008 LEXUS IS350 SGM
www.lexusnet.com
www.lexusnet.com
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