Quote:
Originally Posted by Crisp
BTW. That rear end looks great. That's what I am looking to do but I don't know how expensive it will go to split the exhaust and get the diffuser.
Is there even any room under the car to place the right side mufflers?
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I spent some time looking into this as well. There are few options as far as quads go for the E60/61. This was one of the lest expensive options I found and has really good reviews on 5series.net and is only $650
http://forums.5series.net/topic/8720...haust-for-e60/
http://umnitza.com/index.php?main_pa...oducts_id=5678
RDSport makes a quad and so does Eisenmann but they are both well over $2K