| 01-06-2019, 11:02 PM | #1 |
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Downpipe or new rear section
Iv had the AA midpipe on my '17 M3 ZCP for a few months now and I'm craving something louder that will pop more often and with less effort.
Should I risk fucking with my warranty by going catless downpipe or should I just get a Remus axle back or something |
| 01-06-2019, 11:41 PM | #2 |
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The pops and burbles will be louder with a more free flowing exhaust, by removing the cats you will find a bit more "natural" burble and also more pops.
The muffler will probably not create the sounds you're looking for |
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| 01-07-2019, 12:13 AM | #3 |
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If warranty is your concern, I suggest starting with aftermarket muffler with the midpipe. The stock muffler does a really good job muffling the sounds, even with the valves open. Aftermarket mufflers let out more noise and pops. Start with that, and if it’s still not loud enough (which I doubt), try Catless downpipes only with the midpipe.
Remus is an excelling muffler choice. That would be the one to get. I also like the MPE muffler it works really well with AA midpipe too. If you’re in a populated area, ask another enthusiast to hear they’re set-up! If you live by one of the shops, ask them to do a rev for you to get a feel for your options! Most importantly, have fun and enjoy the journey of improving the car to your tastes! |
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| 01-07-2019, 06:53 PM | #4 | |
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You can always add the REMUS axle back and get a map with aggressive burble tune. The shop's M4 has stock exhaust and downpipes running Active Autowerke stage 1.5 with aggressive burble, it sounds amazing as is Note: Active Autowerke midpipe + REMUS axle back w/ carbon tips will be installed soon on the M4 
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| 01-07-2019, 07:38 PM | #6 | |
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