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      06-08-2009, 05:41 PM   #68
My master volume goes to 11
dogears's Avatar
Drives: 2009 Space Gray M3 Sedan M-DCT
Join Date: Dec 2008
Location: Cherry Hill, NJ

Posts: 424
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Changing the stock X-Pipe to the Fabspeed setup with high flow cats results in dramatically healthier tone. Deeper. Louder. Less muffled. All with stock mufflers.

I then added the Eisenmannm Sport and it hits in you in the chest with tone.

It is crazy talk to think swapping stock X for this upgrade lessens rumble.
2009 Space Gray Carbon Leather E90 with DCT, Tech package, and EPS. Mods: Fabspeed 200 cell cats, Xpipe w/resonators and no secondary cats, BPM tune, Euro DCT software, Eisenmann Sport Mufflers, Vorsteiner Rear Diffuser II, SWS8 subs, JL Audio XD400 bridged 2X200W, built in radar
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