Hey guys. A buddy of mine just bought a 2012 model and previous owner had Cobra Tri Pro pipes installed and nothing else. I test rode his bike and found it really twitchy and irregular especially at low rpm when compared to mine. I really can't tell if it is normal behavior since I installed a Gipro Atre on mine as soon as I got it 5 years ago.
My question is, should he get a TRE or A fuel management system because of the aftermarket pipes? Or both?
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