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Old 4th August 2014, 05:42 AM   #1 (permalink)
2011GTR is 750R
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New mapping needed for exhaust change?

I'm looking to change the exhaust on my '12 GTR, but before purchasing wanted to make sure this can just be a straight forward swap with the original exhaust, or is any re-calibration needed? Still haven't decided whether to go for cat-back only or the full system including down pipes/Y pipe (concerned the full system will be too loud so leaning towards cat-back). Greatly appreciate any advice!
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Old 4th August 2014, 07:05 AM   #2 (permalink)
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If its CAT back then it's a simple fit and go, if its downpipes etc deleting all CATS then it will need a remap buddy
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Old 4th August 2014, 07:22 AM   #3 (permalink)
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Y-pipe backwards will cause it to run rich without a remap. It's safe but not efficient.
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Old 5th August 2014, 07:03 AM   #4 (permalink)
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Ok thank you for the info. I'll go for a catback first, can always build on that later.
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