Been reading other Mk6 Golf forums, and a few people are saying once fitting an aftermarket exhaust they are getting the CEL up. Was reading that APR stage 2 map removes the error completely so it can never come up. Am running REVO stage 1 just now and wasnt planning on going stage 2 till a later date and just run the TBE and Carbonio on stage 1 until i fit the Forge Twintercooler but may need to now

Going to contact REVO and ask if they do the same as APR and map it out and contact BlueFlame and ask if they fit a spacer for the o2 sensor, either or would stop the CEL coming on.
SteveP i know you have the BlueFlame, any problems? What map are you running?
Kenny