The popular R-77 offers outstanding performance, thanks to being developed in the heat of competition. It features a trapezoidal design, which allows a large volume of packing material and in turn delivers top performance. The R-77 muffler’s front cap is MIG-welded, while the end cap is riveted using high-end 304-L polished stainless steel rivets and bands.
Race series exhaust
* Designed for closed-course competition use only; not for street use
* Meet noise level regulations of most worldwide race sanctioning organizations
* Marked with appropriate EPA noise emissions labels
* Not tested for EPA noise levels
R-77
* Trapezoid-shape muffler
* Maximized internal volume
* Straight, single core baffle
* Low-volume sound insert capable
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Yoshimura Race R-77 3/4 Slip-On Exhaust for CB1000R 11-15
$508.95