Quote:
Originally Posted by AldoNY
I'm in the same boat. I want to fit the diffuser on first before i out on my m5 exhaust. Dis the diffuser fit with the original exhaust from the 550i traps?
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The M5 diffuser will not fit with the factory 550 tips. You can cut them off and adjust the muffler a bit if you need to fit the diffuser first and then fit the mufflers.