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Euro Header, AR20, and Stock Muffler...

960 views 3 replies 2 participants last post by  Ob917 
#1 ·
Anyone running this setup? Really want to get some more power with catless headers/tune but don't want to go super loud. I had a Gruppe M on my old M3 and want to be quieter. Basically looking for some insight on the sound/rasp. Thanks!
 
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