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      01-29-2011, 08:31 AM   #49
BarryC
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Drives: '15 M3
Join Date: May 2007
Location: Kernersville NC

iTrader: (10)

one question regarding hp increase in combination with other mods - since I have hfc's/xpipe and an exhaust - will I get 110hp increase on top of what I have currently or just over stock? I would assume a free flowing exhaust would bump the hp above the advertised 535 correct?

Thx,
BC
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'15 M3, '15 GT3, '15 Boxster GTS