Quote:
Originally Posted by phil200tdi
Its a google image.
I have an E90 so mine is slightly different - I have Catless DPs and stock from there onwards.
My assumption is that the X thing is to mix the exhaust gases in the mid pipes, its not big enough to be a muffler. The link between the two rear boxes does the same and apparently helps to reduce drone.
I would add a pair of resonators to the catless mid pipes smoked is selling and away you go!
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Thanks..still weighting up my options...Mot after xmas so might just leave it till after =]