Quote:
Originally Posted by Mousiee
Nice to see the 4" tips fit through the stock 550i valance/diffuser. I was worried about that, so I went w/ the 3.5". Now, I kind of wish I went w/ the 4" because they were cheaper as they're only the mufflers. Great job on the piping too!
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They don't quite fit although they are 8.5" side to side, but the trapezoidal opening doesn't quite allow the tips to be close to the top. So they basically have half the diameter in the opening. Also, the outer most tip, the tip tapers inwards to the muffler pipe and that allows for the opening to be closer as well.
I'm going to get the OEM M5 diffuser so i'll have to adjust the hangers again, but the tips should not look like they are sticking out as much with the two "hoods" over the exhaust port area.