Quote:
Originally Posted by BMWWorld
Yes it is, here a picture of my previous car a 128i with custom dual exhaust. Axel back straight exhaust. And another picture of the design. Not the most functional, but was the less expensive route. Since this wasn't a performance orientated build.
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The guy who was going to fabricate it was really concerned about the connection between mid pipes and axle back sections proximity to the diff. I was trying to do a system with minimal mandrels and the same size tubing from DP back. You could reduce the pipe size around the diff but performance use this makes no sense...IMO it's totally a cosmetic thing...