Yoshimura Yamaha WR250R 07-21 WR250X 07-17 RS4 Stainless Slip On Exhaust
Championship winning RS-4 Slip-On exhaust. If you're looking for serious performance, you came to the right place.
A unique design that provides an unrivaled combination of power and a quiet exhaust note. The RS-4 features a Polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap.
FEATURES
- Pentagonal-shaped sleeve
- Front muffler cap functions as a polyresonant chamber which helps reduce noise
- Two-stage stepped baffle
- Turn-out carbon fiber end-cap
- Pre-installed spark arrestor insert
- Stainless steel tail-pipe
Shipping
All orders received by 2pm weekdays are dispatched the same day when purchasing in-stock items.
Returns
If you receive any items that you are unhappy with for any reason, simply return to us within 60 days in the condition that you received them and we will happily offer a store credit or refund.
Shop now, Pay later
Four payments of $287.49
Online
Delivery — Flat rate $10 standard shipping Australia wide
Championship winning RS-4 Slip-On exhaust. If you're looking for serious performance, you came to the right place.
A unique design that provides an unrivaled combination of power and a quiet exhaust note. The RS-4 features a Polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap.
FEATURES
- Pentagonal-shaped sleeve
- Front muffler cap functions as a polyresonant chamber which helps reduce noise
- Two-stage stepped baffle
- Turn-out carbon fiber end-cap
- Pre-installed spark arrestor insert
- Stainless steel tail-pipe
Shipping
All orders received by 2pm weekdays are dispatched the same day when purchasing in-stock items.
Returns
If you receive any items that you are unhappy with for any reason, simply return to us within 60 days in the condition that you received them and we will happily offer a store credit or refund.

