E46 M3 ac schnitzer exhaust ??

[brucest170]

been thinking of changing my exhaust to a acs , just the back box section to start,dont want a booming effect , but a little deeper and less rasp would be ok .

any comments would be good , also any other exhaust recomendations ??

cheers bruce

[Smartie]

got one on our and it can be a little boomy round 2K - 2.5K revs, fine over that though.

[Garrett]

I've one on the M3, it's ok, its very loud and does moan/boom around 2-2.5k.

Mine was factory fitted as an option from new by previous owner.

Several knowledgeable people have told me that the ACS exhaust is still quite restrictive if your looking for performance gains or more future engine mods, so if your looking for pure performance go for the Milltek exhaust instead.