How about this as an option? Ever hear of "Cerakote"? Its a ceramic paint that a lot of gun owners use to refinish weapons and silencers, because its a ceramic paint. You can even get it I think from Brownell's. Just repaint your stock exhaust if you're just interested in the color black?
2015 - 899 White: Custom Moto GP Exhaust with CF heat shields, Competition Werkes Fender Eliminator & Tail Lights, NRC Mirror Block Off Turn Signals, Rizoma Foot Pegs, Rizoma Oil Cap, CRG Arrow Bar End Mirrors, T-REX Engine and Axel Sliders, 4Moto.de Decal Kit, Power Commander V & Dyno Tune, Charcoal Canister Delete, GoPro w/ PowerSportsUS fork tube mount.