My Modded 2010 535i 6MT
#21
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Join Date: Mar 2008
Location: Southern California
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My Ride: bmw 528 i
Model Year: 2008
It looks exactly like the mtech dual exhaust diffuser, except it has the quad opening. I believe it costs around $300-400 for the diffuser.
#22
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Join Date: Oct 2009
Location: SF Bay Area
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My Ride: 550i
Model Year: 2008
Unfortunately when I google them I don't see a website, and the second hit is someone complaining about eurorev
#24
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Join Date: Oct 2009
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My Ride: 550i
Model Year: 2008
Awesome, thanks! Now I just need to figure out what to do for quads considering all the debate (real vs false, supposed lost of HP, etc).
#29
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My Ride: bmw 528 i
Model Year: 2008
#30
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Join Date: Jan 2008
Location: Santa Ana, CA
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My Ride: 2004 530i sport 6spd Sapphire Black/Tan