Modifying the standard exhaust ?
View Single Post
01-18-2013, 06:07 PM
Internet Crash Test Dummy
Drives: F10 M5/F32 435xi
Join Date: Mar 2006
Location: Under a rock in NH
Not sure you'd gain much as there's pretty much nothing in the stock mufflers .
But if you're happy to donate your mufflers to research give it a try
13 F10 M5 Individual / Brilliant White / Extended/Full Cohiba Brown
A few Euro add-ons / Stealth K40 / Upgraded B&O / ///M Performance Carbon Interior Trim / Color matched side and front grills (lightly tinted LEDs) / Akrapovic Evolution Exhaust / Hartge Springs / HRE S107
View Public Profile
Visit jmh's homepage!
Find More Posts by jmh