Product image 1KTM/HUSQ 250/350 16-18 RS-4 Stainless Slip-On Exhaust, w/ Aluminum Muffler
Product image 2KTM/HUSQ 250/350 16-18 RS-4 Stainless Slip-On Exhaust, w/ Aluminum Muffler
Product image 3KTM/HUSQ 250/350 16-18 RS-4 Stainless Slip-On Exhaust, w/ Aluminum Muffler
Product image 4KTM/HUSQ 250/350 16-18 RS-4 Stainless Slip-On Exhaust, w/ Aluminum Muffler
Product image 5KTM/HUSQ 250/350 16-18 RS-4 Stainless Slip-On Exhaust, w/ Aluminum Muffler

*Product may vary by application

KTM/HUSQ 250/350 16-18 RS-4 Stainless Slip-On Exhaust, w/ Aluminum Muffler

SKU: 262522D321

Regular price $469.00


Signature Series Exhaust System


over $100


Repair Services

Same day shipping on In Stock items placed Mon-Fri by 1:00 pm PST. Please contact sales@yoshimura-rd.com for ETA's on Reserve Now / Pre-Order Items.


WARNING: Cancer and Reproductive harm - www.p65warnings.ca.gov

The Husqvarna brand is regaining in popularity around the globe and Yoshimura is busy producing exhaust for the century old motorcycle brand. Now, both FC250 and FC350 can get more power from the Yoshimura RS-4 system. The RS-4 was born in 2009 and has been producing championship winning performance ever since.

  • Pentagonal-shaped sleeve
  • Front muffler cap functions as a polyresonant chamber which helps reduce noise
  • Two-stage stepped baffle
  • Carbon fiber end-cap
  • Stainless steel tail-pipe
  • Repack Kits, optional Inserts and Spark Arresters are available for all models
EXC-F Models: Turn signals must be removed or relocated, as the exhaust gas is in direct line of turn signals if kept in the factory location.

. . . . .

This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory may not be compatible with this product.

Attention international customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility, including fitment and performance, may vary by marketplace.

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. Every one of our Championship Winning Motocross exhaust systems and nearly all of our ATV/Side-by-Side applications are 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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  • Husqvarna FC250 2016
  • Husqvarna FC250 2017
  • Husqvarna FC250 2018
  • Husqvarna FC350 2016
  • Husqvarna FC350 2017
  • Husqvarna FC350 2018
  • Husqvarna FX350 2017
  • Husqvarna FX350 2018
  • KTM 250EXC F 2018
  • KTM 250EXC F 2019
  • KTM 250SX F 2016
  • KTM 250SX F 2017
  • KTM 250SX F 2018
  • KTM 250XC F 2016
  • KTM 250XC F 2017
  • KTM 250XC F 2018
  • KTM 350EXC F 2017
  • KTM 350EXC F 2018
  • KTM 350EXC F 2019
  • KTM 350SX F 2016
  • KTM 350SX F 2017
  • KTM 350SX F 2018
  • KTM 350XC F 2016
  • KTM 350XC F 2017
  • KTM 350XC F 2018
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    Race series product restriction and affirmation


    The RACE SERIES product you are purchasing removes, renders inoperative, or bypasses required elements of the emission control systems of EPA, certified motorcycles of motorcyle engines and may only be installed on motorcycles that are restricted to closed course competition. Installation of this product on a motorcyle that is ridden on a public street, highway, or public lands violates the tampering and defeat device provisions of the Clean Air Act & 203(a)(3)(A) and/or & 203(a)(3)(B) and may subject you to a civil penalty of up to $37,000.

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    Race Information

    Rider/Purchaser Information


    By clicking below, I affirm:
    1. that i have read the above warning;
    2. that any information I have entered is accurate; and
    3. that any motorcycle on which I install the RACE SERIES product will be restricted to closed course competition and will not be ridden on any public street, highway or public lands.