Arrow 71882PRI Pro-Race Nichrom Slip-On Muffler w/Steel End Cap for Honda CB 1000 R 18-24Arrow Pro Race Slip On Exhaust Honda CB1000R At the turn of the 21st century, MotoGP saw a revolution in exhaust design that strayed away from old school round canister shapes and instead incorporated the muffler into the mid pipe itself. This design not only reduces mass but also overall weight. Now this same design is available to you in the form of the Arrow Pro Race Exhaust. From its cone shaped sleeve, angled round end cap, integrated exhaust