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 with minimal sound increase. 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.
Signature series exhaust
* All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels
* Do not require changing the motorcycle's emissions control systems
* CARB and EPA emissions "Replacement Parts"
* Certified by independent laboratory for EPA noise levels
R-77
* Trapezoid shape muffler sleeve to maximize exhaust flow volume
* Straight, single-core baffle
* Can accept low-volume sound insert
* Muffler sleeve available in stainless steel or glossy carbon fiber
* Glossy carbon fiber end cap
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