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      10-15-2023, 03:41 PM   #43
PeoplesChoice
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Drives: BMW M8 Competition Gran Coupe
Join Date: Oct 2023
Location: St. Louis,MO

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Quote:
Originally Posted by mike@x-ph.com View Post
If you cannot wait for the MAD to be back in stock, i recommend the Evolution Racewerks
Thank you. I see that ER has a Sports Series High Flow Catted Downpipe for S63M Engine with a catless secondary downpipe. Since the primary is still catted, would I still pass an emissions test? Also, if I went this direction, would I need to tune the car?
Appreciate 1
r33_RGSport13121.00