MotionGT Posted August 31, 2014 Share Posted August 31, 2014 I'm about to get the ecu remapped on my 05 gt, I already have a 3" system from the downpipe back and they suggested doing the front/up pipe and cat to get better power gains. I have heard that if you mess with the cat if goes into limp mode, is the cat in the up pipe, will it cause the engine light to come on, or any issues with emissions in new Zealand? I was considering leaving the cat in to reduce those risks' anyone have suggestions? Thanks Link to comment Share on other sites More sharing options...
MotionGT Posted August 31, 2014 Author Share Posted August 31, 2014 Jdm Link to comment Share on other sites More sharing options...
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