PRO CIRCUIT 4" Quiet End Cap - Billet - 1-1/2" PC4001-0007 Rear Fender For Honda FTEcu Yamaha R1 15-16 /

FTEcu Yamaha R1 15-16 / R1M 15-16 / R1S 2016 / (WILL NOT FIT THE 2017 see separate listing) / FZ10 2017 ECU Based Auto-Blipper Kit

This R1 exhaust system was developed using the same technology that has powered the Monster Energy Graves Yamaha team to 8 AMA / MotoAmerica Superbike championships and numerous 600 championships

Hold color better

3" diameter bezel

These spacer kits replace your rear wheels oem spacers with push in interlocking wheel spacers that stay in place

PRO CIRCUIT 4" Quiet End Cap - Billet - 1-1/2" PC4001-0007 Rear Fender For Honda FTEcu Yamaha R1 15-16 /Quiet Core and Quiet Tips inserts produce a more subdued exhaust note End caps offered in a variety of sizes to allow fine tuning of power delivery for different types of riding and terrain