Originally Posted by ethinger
Remus, if you can do something to bypass the cats and muffler like the Kreis sieg F1 Valtronic units would be very nice.
For me, I just hope Kreis Sieg will make the system for the M3,
Check out their M6 clip.
though i like the f1 sound, that's just a recipe for disaster with all the cops in cali; on top of that I don't want my brain to explode with all that rumble!