E90/E92 M3 Exhaust Systems Overview
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04-15-2009, 02:58 PM
Drives: 2008 E90M3
Join Date: Jan 2009
Location: Daly City -4- Work///Camarillo is Home
2008 BMW E90 M3
Originally Posted by
so saying i would go with no cats at all which exhaust from the end of the headers all the way back will produce the most hp gains?
AFAIK, i believe RPi has the most gains. +24whp i believe? i could be wrong though.
- Jason P
08 E90M3, Varis VRS Front Lip, LS3, ESS Supercharger, Arqray Exhaust, Neez Wheels
VRS Carbon GT Wing & Cooling Bonnet, LCI Taillights
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