I have a full uncut OEM M5 CP exhaust for sale (with OEM valves) - everything works perfectly.
Pickup Only - since it’s a full length exhaust, tips up to DPs.
See my post:
https://f10.m5post.com/forums/showthread.php?t=1918041
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2016 M5 CP - Carbon Ceramic Brakes, JB4, Full Fi Exhaust, Catless DP’s, BM3 Tune).
2016 RR Sport (V8SC) - stock
2016 X6M - stock
996 TT - heavily modified (sold)
e60 M5 - heavily modified (sold)