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      03-04-2013, 11:34 AM   #19
Laid Black 335i
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Drives: 2007 BMW 335i (6MT)
Join Date: Mar 2011
Location: MD

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Originally Posted by Koreyy View Post
okay so exhaust is recommended for getting a protune? my goal is just hit 400 whp, if i get exhaust and get protune then would i able hit 400 whp? i heard lot of ppl here not getting exhaust and hit 400whp with meth and i dont really mind with sounding of my car, i satisfied with it now. please advise thanks.
You need more Angry Bird decals to get over 400whp.

But on a serious note, No, you don't need an exhaust for a Protune. A protune with E85 will get you over 400whp easily.
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