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  1. Engine
    Will I get any trouble codes by installing catless downpipes?
  2. Engine
    Looking for some help on this. I have a 2012 FBO E85 GT-R with a flex fuel setup. I have used E85 consistently for probably the last 6-8 months, but yesterday filled up with 91 octane because there wasn't any E85 around. Today, my car was running fine but I got an engine malfunction light. I...
1-2 of 2 Results