Quote:
Originally Posted by Laid Black 335i
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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Quote:
Originally Posted by Jeff@TopGearSolutions
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To OP:
You dont NEED an exhaust for pro tune, but you can squeeze out a few HP with one.
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thanks guys.. i was almost decided to go with meth but let me think again. i just want to make 400 whp with safe way. if exhaust + protune would make me to get 400 whp then i would just go that way.