Thread: E92 M3 coupe w/ ARQRAY EXHAUST and WHEELS
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      10-20-2007, 04:31 PM   #44
BMW3R
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Drives: 2011 E92 M3
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Quote:
Originally Posted by Dieselino View Post
I dont get it, why is there tubing going from one muffler to the other?
Ditto. What is the purpose and do you worry about back pressure in a NAG engine?
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2011 E92 M3 - Space Gray, ZCP, Akra Evo System, aFe filter, PC Stage II Tune & more!!!!
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