Polisport Silencer Protector Protect slip-ons of all makes and models, shapes and sizes with the Polisport Silencer Protector. The unit uses silicone main construction for flexibility that is reinforced in key areas with stainless steel for heat management. The unit is easy to install and flexes / stretches to fit onto round, oval, hexagonal, and rectangular exhaust canisters in a variety of sizes. Suitable for dirt, MX, sport, touring, Adv, and every motorcycle in between. Features: Flexible, universal fit exhaust protector Fits round, oval, hexagonal, rectangular, etc. exhaust canisters Suitable for almost any motorcycle with a small- to medium-sized silencer For sport, MX, dualsport, Adv, touring, cafe, cruiser, etc. exhaust Some large and OEM exhaust canisters often exceed 15.7 max circumference Available in two sizes (See fitment below) Blend of silicone and lightweight stainless steel Thick plastic shield for impact protection No tools needed for install or removal Resistant to high temperatures Fitment: Small version fits silencers measuring 200mm-300mm/7.8-11.8 in circumference Large version fits silencers measuring 340mm-400mm/13.4-15.7 in circumference Bigger and OEM style exhaust canisters sometimes exceed 15.7 in circumference Measure your ride before purchasing