Originally Posted by CL 19
Totally agree with you with unecessary swap-work. What do you recommend for N55 mids? Will I pass the smog check by changing the mids? I plan to do Meisterschaft on the back but still don't know for the mids
I went with CP-E because their shop is local. I bought their QuickPower™ midpipe and their axleback. The whole setup wasn't cheap, but I loooooove the sound.
BMW 135i QuickPower™