Yoshimura R&D Exhaust - Made in America

The Yoshimura Muffler Mounting Bracket is the exhaust hanger for fitting a Yoshimura slip-on or full system to a Suzuki, replacing or supplementing the bracket supplied with the exhaust. Mounting brackets are application-specific because every chassis positions its muffler differently. The bracket sets the...

The Yoshimura RS-4 Full Exhaust System is a complete header-and-muffler replacement built with a stainless steel header, an aluminum canister and a carbon fiber end cap. The RS-4 is a serviceable system rather than a sealed one. The packing comes out, new packing goes...

The Yoshimura RS-4 Slip-On is a bolt-on muffler with a stainless steel midpipe, an aluminum canister and a carbon fiber end cap. The RS-4 is the canister that defined Yoshimura's off-road range for the better part of a decade. It was the standard fitment...

The Yoshimura RS-4 Stainless Slip-On Exhaust is a bolt-on muffler for the 2019-2022 Yamaha YZ250F, 2020-2022 YZ250FX and 2020-2022 WR250F, featuring a pentagonal aluminum muffler with a carbon fiber end cap, a polyresonant duplex front chamber, and a stepped two-stage core baffle, and it...

The Yoshimura RS-4 Stainless Slip-On Exhaust is a bolt-on muffler for the 2018-2022 Yamaha YZ450F, 2019-2022 YZ450FX and 2019-2022 WR450F, featuring a pentagonal aluminum muffler, a front cap that functions as a poly-resonant chamber, a two-stage stepped baffle and a stainless steel tail-pipe. The...

The Yoshimura RS-9T Street Stainless Slip-On Exhaust is a bolt-on muffler for the 2022-2026 Honda Grom, built with a stainless steel muffler sleeve and a carbon fiber end cap, finished in Yoshimura's exclusive Works Finish, and mounting directly to the stock header. The Grom's...

The Yoshimura RS-9T Dual Slip-On Exhaust is a pair of bolt-on mufflers for the 2017-2018 Honda CRF450R and CRF450RX, built on Yoshimura's stainless RS-9T architecture and mounting directly to the stock headers. This generation of CRF450R runs a twin-muffler layout, so the kit supplies...

The Yoshimura RS-2 Stainless Slip-On Exhaust is a bolt-on muffler for the 2022-2026 Kawasaki KLR650, built entirely from stainless steel with a diamond-shape RS-2 canister and a straight core baffle, and it accepts both spark arresters and sound inserts. The KLR650 returned in 2022...

The Yoshimura RS-2 Stainless Full Exhaust System is a complete header-back exhaust built with a stainless steel header feeding a diamond-shape aluminum RS-2 muffler with a stainless steel end cap, and it accepts both spark arresters and sound inserts. The RS-2 evolved from Yoshimura's...

The Yoshimura TRS Stainless Full Exhaust System is a complete header-back exhaust built with a stainless steel header and canister feeding an aluminum muffler with an aluminum end cap. The TRS is the tri-oval canister that preceded the TRC in Yoshimura's range, and it...

The Yoshimura TRC Race Stainless Full Exhaust System is a complete header-back exhaust for the 2003-2024 Honda Ruckus and Zoomer, built with a stainless steel header and tail-pipe feeding a tri-oval carbon fiber muffler with a cone-shaped end cap, and weighing 2.6 pounds less...

The Yoshimura Spark Arrester Kit SA-08-K is a USFS-approved 1.375-inch spark arrester insert for Yoshimura RS-4 mufflers, supplied with the spark arrester insert, end-cap collar and set screw. An approved spark arrester is required in effectively every public off-road riding area in the United...

The Yoshimura Spark Arrester Kit SA-06-K is a USFS-approved 1.625-inch spark arrester insert for Yoshimura RS-2 mufflers, supplied complete with the spark arrester insert, end-cap collar and set screw, allowing an RS-2 exhaust that did not ship with a spark arrester to be made...

The Yoshimura Alpha-T Street Slip-On Exhaust is a bolt-on muffler built around a stainless steel header pipe, a carbon fiber muffler sleeve and a carbon fiber end cap, finished in Yoshimura's exclusive Works Finish. The Alpha-T is the canister that preceded the current AT2...

The Yoshimura Alpha-T Race Stainless 3/4 Exhaust System is a three-quarter system for the 2017-2020 Yamaha FZ-10 and MT-10, replacing the mid-pipe and muffler with stainless steel components topped by a carbon fiber end cap and finished in Yoshimura's exclusive Works Finish. A three-quarter...