Quote:
Originally Posted by StuttgartM3
Post your results as follows:
E90 M3
Misterschaft GT2 axle back
Stock X pipe
db @ 5000 rpm: 112.1
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O man, if the axle back has 112, I don't to know what my Meisterschaft GT with catless x pipe would read in at. I've had it on for about 2 weeks and it is just stupid loud. Sounds like there is no exhaust at all.