BMW M3 Forum (E90 E92) - View Single Post - Test Pipes vs Mid pipe vs Rear Section HP gains

momo3605 · 04-15-2013, 02:10 PM

Thanks STI_traitor (nice name)

So how much less power would you get from just doing test pipes and tune? Compared with full exhaust and tune?

04-15-2013, 02:10 PM	#5
momo3605 Major 234 Rep 1,208 Posts Drives: M4 GTS, FL5 Civic Type R Join Date: Aug 2012 Location: Norcal iTrader: (2)	Thanks STI_traitor (nice name) So how much less power would you get from just doing test pipes and tune? Compared with full exhaust and tune?
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