- The Signature Series lineup is the answer for todays dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many off-road applications. All Signature Series components are tested, documented, and marked as required by federal and state regulations.
- CARB/EPA tail-pipe emissions compliant
- All applications are marked with appropriate EPA noise emissions labels
- Certified by an independent laboratory for EPA noise compliance
- The RS-4 features a Polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap.
- Pentagonal-shaped sleeve
- Stainless steel muffler sleeve for increased durability
- Two-stage stepped baffle
- Turn-down carbon fiber end-cap
- Stainless steel tail-pipe
This item fits the following models:
Yamaha WR450F 2016 - 2018
Yamaha YZ450F 2014 - 2017
Yamaha YZ450FX 2016 - 2017
Shipping weight: 11.05 lbs
Shipping size (L x W x H): 38.00 x 7.00 x 7.00 inches
Category: 4-Stroke
End Cap Style: Cone
Style: Slip-On
Model: RS-4 Competition Series
Shape: Pentagonal
Material: Aluminum | Carbon Fiber | Stainless Steel
Type: Slip-On Exhaust
UPC Code: 840025903937
Made in US
Sold as: ST
This item fits the following vehicles:
2018 Yamaha WR450F
2017 Yamaha WR450F
2016 Yamaha WR450F
2017 Yamaha YZ450F
2016 Yamaha YZ450F
2015 Yamaha YZ450F
2014 Yamaha YZ450F
2017 Yamaha YZ450FX
2016 Yamaha YZ450FX