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Yoshimura RS-4 Slip-On Exhaust KTM 450 SX-F / XC-F / 500 EXC-F / Husqvarna 450 FC / FX / FE 2016-2019

Name: Yoshimura RS-4 Slip-On Exhaust KTM 450 SX-F / XC-F / 500 EXC-F / Husqvarna 450 FC / FX / FE 2016-2019
Brand: Yoshimura
SKU: 1827042
Price: 519.0 USD
Availability: InStock
Rating: 4.60 (37 reviews)

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This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

Yoshimura RS-4 Slip-On Exhaust KTM 450 SX-F / XC-F / 500 EXC-F / Husqvarna 450 FC / FX / FE 2016-2019 Resources

Installation (pdf)

Yoshimura RS-4 Slip-On Exhaust KTM / Husqvarna 450 / 500

The Yoshimura RS-4 Slip-On exhaust has been put to the test and has proven its capabilities at the highest level of competition. In 2010 the RS-4 muffler helped Ryan Dungey claim the AMA 450 Supercross and Motocross championships in his rookie season. The Yoshimura-backed GEICO Honda team also took home both East and West Coast Supercross Lites titles in 2012 using the Yoshimura RS-4 exhaust.

Utilizing the same R&D that helped bring success at the national level has resulted in a unique exhaust design that provides an unrivaled combination of power and quiet exhaust note. The Yoshimura RS-4 Pipe features an innovative carbon cone end cap, a two staged stepped baffle, and a polyresonant duplex chamber which acts as a muffler within a muffler to help save weight and centralize mass. Working in conjunction with factory race teams has allowed Yoshimura to develop a exhaust system that gives you an unparalleled competitive advantage.

Features:

Pentagonal-shaped sleeve
Polyresonant front muffler chamber which helps reduce noise
Two-stage stepped baffle
Carbon fiber end-cap
CARB/EPA tailpipe emissions compliant
Yoshimura Enduro, Signature, and Race Series mufflers
100% Made in the USA