Quote:
Originally Posted by Mck444
I'm looking to install a M5 muffler on my 650i GC and I was wondering how difficult the process for this would be. I've seen that it's been done before but I saw that there were hangers and vacuums lines to be moved. Is it a hassle to install the mufflers? Looking between a M5/6 muffler or muffler delete with a exhaust meister/valve setup. How do these compare in sound and ease of installation? Would it just be easier to go for the muffler delete and valve setup or M mufflers?
Thanks,
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Try zip tying your existing valves open. YouTube has videos on how. It makes some difference, and it's basically free. I cut mine due to getting a tune and downpipes which made the stock system super loud.