Quote:
Originally Posted by GtiGyver
I had for an extremely short time the SuperSprint Race (non-F1) on my M3 with primary cats bypassed. The drone was so bad that I didn't go further than around the block and back.
I also have the 2-pipe mod OEM system and the BMW performance mufflers, both of which sound 1000x better and without drone.
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That's rather surprising. I had SS Race + test pipes for almost two years and never felt the drone was intrusive at all, let alone intolerable. There are much louder setups out there for axle back + test pipes combos.