View Single Post
      12-03-2012, 01:33 PM   #3
Jeff@TopGearSolutions
BimmerPost Supporting Vendor
Jeff@TopGearSolutions's Avatar
United_States
244
Rep
18,362
Posts


 
Drives: C6 Z06, GSXR-750, 09 335i
Join Date: Dec 2008
Location: TopGearSolutions.com

iTrader: (32)

Send a message via AIM to Jeff@TopGearSolutions
If they do a sniffer test you will not pass with catless downpipes. If they just check OBD II readiness you might be able to get away with it if you use an o2 simulator / downpipe fix.

OR

Just put the stock downpipes back on before testing.