Quote:
Originally Posted by csayad
Hey everyone, I recently picked up a ‘23 M5 Competition coming from a 2023 G80 xDrive! I had a valvetronic single midpipe on that car, what exhaust setups are the best without touching the downpipes because I just think thats a bit too loud for me. I’m torn whether I just do a resonator delete or a secondary cat delete. I want something to not be too loud on cold starts, but on WOT it makes a differnece, as well as a nice whistle I know these cars from factory you can barely hear the whistle. Let me know, please provide sound clips if you could! I’ve been thinking about doing the MAD secondary cat deletes!
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The turbo whistle sounds are generally going to increase from removal of the primary and or secondary downpipes.
Here are a few clips of our exhaust with and without downpipes.
Stock vs MAD exhuast
MAD EXHAUST stock downpipe showing off the valve control
MAD exhaust with MAD secondary downpipes