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Product image 1KTM/HUSQVARNA 250/350 2015-18 Signature RS-4 FS Ti-Ti-CF
Product image 2KTM/HUSQVARNA 250/350 2015-18 Signature RS-4 FS Ti-Ti-CF
Product image 3KTM/HUSQVARNA 250/350 2015-18 Signature RS-4 FS Ti-Ti-CF
Product image 4KTM/HUSQVARNA 250/350 2015-18 Signature RS-4 FS Ti-Ti-CF

KTM/HUSQVARNA 250/350 2015-18 Signature RS-4 FS Ti-Ti-CF

SKU: 262521D721

Regular price $926.31

MADE IN USA

Signature Series Exhaust System


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Emissions Compliance Declaration: QUALIFIED MANUFACTURER DECLARED "REPLACEMENT PART"


WARNING: Cancer and Reproductive harm - www.p65warnings.com


RS-4 is a unique design that provides an unrivaled combination of power and a quiet exhaust note.

The RS-4 features a duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap. The RS-4 muffler is offered in aluminum, Titanium or carbon fiber. Both Titanium and Stainless Full Systems are available. Stainless systems come with both a 94db and AMA 2-m Max sound insert. Titanium and Carbon Fiber systems are equipped with a 94dB sound insert installed and 2-Meter max inserts as an option sold separately.

  • Pentagonal-shaped sleeve
  • Front muffler cap functions as a polyresonant chamber which helps reduce noise
  • Two-stage stepped baffle
  • Carbon fiber end-cap
  • Titanium header and tail-pipe
  • Weight: 0.7 lbs lighter than stock configuration
  • Repack Kits, optional Inserts are available for all models
Instructions and Parts Diagram
Instructions / Parts Diagram

Signature Series Exhaust System

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Introducing Signature Series by Yoshimura - an offering of exhaust systems that a dealer can install with confidence. Our Signature Series lineup is the answer for today's dealer who is faced with a challenging marketplace. The applications for the Signature Series line cover the entire powersports spectrum, including many of our off-road applications. Everyone of our Championship Winning Motocross exhaust systems and nearly all of out ATV/Side-by-Side applications are all members of the Signature Series Family. All Signature Series components are tested, documented, and marked as required by federal and state regulations.

Vehicle Fitment

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