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      05-23-2014, 03:20 PM   #6
Twitch Massacre
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Drives: 2015 BMW i8
Join Date: Jan 2014
Location: Miami, FL

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I12 BMW i8  [0.00]
F13 BMW M6  [0.00]
Quote:
Originally Posted by Hunter5179
I've been running these race catted downpipes for a while now and no problems. If you just put the downpipes on you def won't gain that much power. A proper tune like stated above will definitely maximize the performance you gain from this mod.
Does this present any issues with warranty or any error codes on the car? What would be the potential drawbacks of such a system?
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2015 BMW i8 in Matte Metallic Grey:
H&R Springs
21" ADV.1 ADVNL2 MV2 CS Wheels
Coming Soon:
2016 BMW M4 GTS De-Winged and Bagged on 22s
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