Quote:
Originally Posted by jst2878
People have noticed better throttle response with Cold air intake, exhaust, dinan software. Prob run u 1500-2000. Turner motorsports I belive sells a pulley set which can provide more acceleration. However 15whp gains don't go too far with a 4000+lb. X5
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yeah i agree...going with V8 in the first place would always be a better option ....