J Jason New member May 11, 2010 #1 Intrepid es.? Would adding a catback 3" exhaust make ecu run lean or rich and throw a code? Dodge Intrepid es. I have a flowmaster 80 in there now and 2.5 inch pipe singe in dual out. Sounds nice but exhaust is getting rodded.
Intrepid es.? Would adding a catback 3" exhaust make ecu run lean or rich and throw a code? Dodge Intrepid es. I have a flowmaster 80 in there now and 2.5 inch pipe singe in dual out. Sounds nice but exhaust is getting rodded.