Graves motorsports exhaust insert base 49mm Yamaha Racing Flexfit® Hat The RPT slip-ons make use

The RPT slip-ons make use of all of the high-tech features of Cobra's regular 3" slip-on mufflers

Fitment: Yamaha R1 R1M R1S 2015-2023 (Note 2020 + R1 riders can call in the orders to have front 02 sensors added for an extra charge if your tuning cannot remove the 02 sensors)

Fitment: Designed specifically for the 2019-2025 Kawasaki ZX-6R also fits 2009 -2018

Supermoto-specific features include the replaceable nylon slider

Graves motorsports exhaust insert base 49mm Yamaha Racing Flexfit® Hat The RPT slip-ons make useGraves Motorsports exhaust insert base 49mm. This sound limiting insert is designed to bolt into Graves exhaust systems silencers that have a 49mm (Pre drilled exit cap). See motorcycle listings for sound ratings with inserts installed. NOTE: Sold as 1 (one) purchase each. You will need two to complete a bike with dual exhaust canisters. Direct fit for exhausts listed below (some come with the insert already as listed) EXK 13ZX14 CBSC (REQUIRES 2) EXK