WR250R Yoshimura RS-4 Slip-On Muffler
WR250R Yoshimura RS-4 Slip-On Muffler
Home > Dual Sport > Yamaha WR250X/R Parts > Yoshimura RS-4 Slip-On Muffler

As of spring 2024, Yoshimura is about the last company making an exhaust system for the Yamaha WR250R. Get one while they last!! The Yoshimura RS-4 Performance Slip-On Muffler features a turn-out end-cap, mid-pipe, and low-volume insert. This system re-uses your stock header pipe which connects to the Yoshi mid pipe. The Yoshimura RS-4 Muffler is a unique design with predicated power and a quiet earthy exhaust note that speaks volumes for performance. This RS-4 features all the benefits of Yoshi's original RS-4 muffler, but with a unique turned-out end-cap, designed to direct exhaust heat and gases away from the bike's components. Yoshimura Part #133002D520.

Fitment: 2008-2020 Yamaha WR250R / WR250X

Tuning Your Bike Properly:
To really take advantage of the Yoshimura slip-on, and really wake up your WR250R/X, you will want to tune the bike properly. We have been selling parts for these bikes since 2008 and know what works to get them running properly. See our Yamaha WR250R Performance Guide for all the details on what you need to get your bike running properly and increase power, torque and overall ride-ability.

We no longer carry this product, but you can order it and other exhaust systems from one of our trusted partners/affiliates. If you make a purchase from them, we do receive a small portion of the sale, at no extra cost to you.

  • Yoshimura RS-4 Slip-On Muffler for WR250R at Motosport.com

  • WR250R Yoshimura RS-4 Slip-On Muffler

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