Might want to check with your local dealer that will be performing any work on your bike and see what they say. Mine told me that with the new M8ís youíll need a tuner with just slip ons. They said it will void my warranty if i bring it in with them on. I know every dealership is different about this. That being said, i still put a set of knockoff CFRís on and love them. Kept the stock pipes in case i need to take it in for a warranty issue.
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2012 FLTRX, 26" AS Bolt on kit, 26" Mad Wheel, Dirty Bird Top Shelf Rear, Yaffe Tank, B'Cool Front Fender, Fueling 574 Cams, Sikpies Exhaust, 12" Yaffe Bars, Alpine Head Unit, Hertz hpd4 amp, 4 Hertz Spl 6.5s, 2 Hertz st35s, 2 JL 8.8s, Voodoo Speaker Lids, Rear Air Ride