Yoshimura R&D Exhaust - Made in America

The Yoshimura RS-3 Race Stainless Full Exhaust System is a complete closed-course header-back exhaust for the 2019-2026 Honda Monkey 125, featuring an oval stainless steel muffler with a straight single-core baffle, a high-temperature ceramic-coated end cap with a titanium tip, and an integrated heat...

Features: Trapezoid-shape muffler Maximized internal volume Straight, single core baffle Low-volume sound insert capable

The Yoshimura Exhaust Wash Plug is a replacement muffler outlet plug that seals the exhaust while the motorcycle is being washed, preventing water from entering the canister and travelling back toward the engine. On an off-road bike this is not a nicety. Water sitting...

The Yoshimura Signature Series RS-5 Full Exhaust System is a complete header-and-muffler replacement built with a stainless steel header, an aluminum canister and a stainless steel end cap. The RS-5 is the canister Yoshimura built around a shorter, stubbier profile — the answer for...

The Yoshimura RS-2 Enduro Stainless Full Exhaust System is a complete header-back exhaust for the Honda CRF230F, built with a stainless steel header and tailpipe feeding a pyramidal aluminum RS-2 muffler with a stainless steel cone end cap, and supplied with a USFS-approved spark...

The Yoshimura LED Front Turn Signal Kit is a universal-fitment pair of compact LED front indicators designed to mount on most modern motorcycles, from street and sportbikes to naked bikes and adventure machines, including small-displacement platforms such as the Honda Grom and Kawasaki Z125....

The Yoshimura RS-9T Race Stainless Full Exhaust System is a complete header-back exhaust for the 2022-2026 Honda Grom, built from stainless steel with a carbon fiber end cap, and it delivers a 13.9% increase in peak horsepower and a 14.3% increase in peak torque...

The Yoshimura RS-12 Stainless Full Exhaust System is a complete header-back motocross exhaust for the Honda CRF250R, featuring the asymmetrical RS-12 muffler profile, precision-machined joints, a works-look matte carbon fiber end cap with decal inlays, a tapered muffler body inlet, and the patent-pending Precision...

The Yoshimura Street Sound Insert Kit is a removable baffle that drops into the outlet of a Yoshimura RS-3 or TRS muffler to reduce exhaust noise. Aftermarket mufflers are loud by design, and there are places where that becomes a problem — trackdays with...

Yoshimura Muffler Decals in blue, for RS-12 mufflers, printed on heat-resistant material for the exterior of a working canister. The blue set is the one that matches a Yamaha, and it is the reason this product exists in more than one colour — a...

The Yoshimura Universal Turn Signal Bracket Kit is a standard-mount bracket pair that lets aftermarket turn signals be fitted to a Yoshimura fender eliminator, laser-cut from stainless steel and powder coated for a durable finish. This is the part that solves the most common...

The Yoshimura Spark Arrester Kit is a USFS-approved 1.125-inch spark arrester insert for Yoshimura RS-9T mufflers, supplied with the spark arrester insert, end-cap collar and set screw. The RS-9T is Yoshimura's compact canister for minibike and small-bore applications, fitted to machines from Benelli, Honda,...

The Yoshimura Muffler Repack Kit is the replacement packing material for Yoshimura RS-4 mufflers, restoring the sound damping and flow characteristics of a canister whose original packing has burned out or blown through. Muffler packing is a wear item, not a permanent fitting. Over...

The Yoshimura Spark Arrester Insert is the replacement spark arrester element for RS-4 mufflers. Most public land in the United States managed by the Forest Service or the Bureau of Land Management requires an approved spark arrester on any off-road machine, and rangers check....

The Yoshimura Spark Arrester Insert Kit SA-14-K is a USFS-approved replacement spark arrester insert for Yoshimura RS-9 off-road mufflers, supplied complete with the spark arrester insert, end-cap collar and set screw. Nearly every public off-road riding area in the United States — national forests,...

The Yoshimura Low-Volume Sound Insert is a 1.25-inch quiet insert for Yoshimura RS-9 mufflers, reducing exhaust noise so the same system can be run at sound-restricted tracks and events. This is a sound insert, not a spark arrester — the two are different parts...

The Yoshimura RS-9 Enduro Stainless Full Exhaust System is a complete header-and-canister exhaust for the 2011-2020 Kawasaki KLX140, KLX140L and KLX140G and the 2021-2022 KLX140R, KLX140RL and KLX140RF, built with a stainless steel header, a parallelogram-shape aluminum muffler with a carbon fiber end cap,...

The Yoshimura R-77 Race Dual Slip-On Exhaust is a closed-course, twin-canister bolt-on system for the 2012-2025 Kawasaki ZX-14R, featuring two trapezoidal carbon fiber mufflers, stainless steel tail-pipes, riveted 304-L polished stainless end caps, and straight single-core baffles that accept removable low-volume sound inserts. The...

The Yoshimura RS-2 Race Stainless Full Exhaust System is a complete header-back exhaust built around a stainless steel header, a diamond-shape carbon fiber RS-2 muffler with a stainless end cap, and a straight single-core baffle, and it accepts both spark arresters and low-volume sound...

The Yoshimura AT2 Race Stainless Full Exhaust System is a complete closed-course header-back exhaust for the 2017-2022 Suzuki GSX-R1000, built from stainless steel in Yoshimura's exclusive Works Finish with a matte carbon fiber end cap and an application-specific carbon fiber heel guard. Yoshimura's relationship...