If you guys are still interested in a DP that won't throw codes, check out Wagner's N55 race catted DP. It is designed for flow that should be close to catless gains. Check it out! http://www.wagner-tuning.com/BMW-135...gine_p_64.html
No smell, no codes, about the same gains as a catless DP.
Venom Build Log
Mods: JB4 G5 ISO, RR DPs, GTHaus Meistershaft Exhaust, RKP GTS Wing, Wagner FMIC, VMR V701s in Scarlet Red, Custom shift knob, Full 1M Body Conversion, and more.
Prius is Latin for impotence.