I put Cobra's on my '12 FLSTC. Please go to Photo Gallery to see how they look on mine. I run these with a Stage 1 and SE A/C. I'm happy with the sound.
2012 Heritage Softtail Classic, SE Stage 1, Hi-Flo AC, SE EFI Super Tuner, Cobra slip-ons, H-D 80 spoke chrome wheels, chrome front end with H-D LED headlight, aux lights and directionals, ISO grips, Kuryakyn ac cover, lay down plate, iPhone mount.