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      03-16-2011, 11:46 PM   #408
mpower03
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Drives: 08 z4 M Coupe
Join Date: Sep 2008
Location: FL

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car will be loud as crap with your setup. Headers+RPI+Supercharger+aftermarket section 1 i dont even want to know what it would soun like. I have headers and RPI mufflers and its loud but i could go louder personally.. al depends on you.. I wouldn't do it over 5 hp but i would do it just to make the car sound better. if you think it will sound better then by all means do it. 5 hp isn't much, but it does add up over time. plus its not like your car is hurting on power anyway lol
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