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      05-16-2012, 09:28 PM   #3
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RoadRunner///M's Avatar

Drives: 1M (Sold), M3 F80
Join Date: Mar 2011
Location: Sydney, Oz

iTrader: (0)

Originally Posted by mojo_78613 View Post
I had mine installed about a month ago. Thus far I'm very happy with it. Sounds a bit deeper. I haven't put in a lot of miles since I had it installed, but I assume it would get better with more miles. Performance-wise, a bit more free flowing than the OEM. No hard figures for HP and torque, but generally around 3 to 5% increase from what I heard. If you search YouTube, you will find a video that one member posted showing before and after... Cheers!
Thanks. I have ordered one

Most reviews say it needs a few hundred miles on before it sounds good. Mine will be paired with MadDad mids.