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Yoshimura KTM 450SX-F/HUSQ FC450 18-20 RS-4 Stainless Slip-On Exhaust, w/ Aluminium Muffler, image 1

Yoshimura

Yoshimura KTM 450SX-F/HUSQ FC450 18-20 RS-4 Stainless Slip-On Exhaust, w/ Aluminium Muffler

Exhaust - Slip-OnSKU YO-264622D320

Cheapest we found

$1,308.95

at XPERT Moto Gear

$1,308.95 lowest$1,399.95 highest

5 recent in-stock prices · spread $91.00 (7%)

Based only on in-stock prices checked in the last 30 days. 5 stores checked; dates for every store are shown below.

Recorded store prices

Prices we recorded when we last checked each store for this exact variant.

XPERT Moto Gear$1,308.95CheapestIn stockMotoHeaven$1,329.99In stockSuperbike Supply$1,333.29In stock
2 stores at this price$1,399.95
Highside ShopIn stockmay be out of dateMotorcycle Stuff AustraliaIn stock

Product details

Yoshimura KTM 450SX-F/HUSQ FC450 18-20 RS-4 Stainless Slip-On Exhaust, W/ Aluminum Muffler

KTM and Husqvarna have introduced LE and Rockstar Editions for 2018 and now Yoshimura is ready to add to the experience of these awesome dirt bikes.

We developed the RS-4 in the R&D lab called the Motocross track. The RS-4 boasts its own resonance chamber and utilizes its volume and a unique baffling system to create the sound and power that is purely Yoshimura. With 450's it's not all about creating more power, it's about creating more usable power and the RS-4 makes it happen.

Proudly made in the USA.

* Yoshimura Slip-on weight: 6.5 lbs. vs Stock Weight: 8.1 Lbs

        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.

        Fitment:

        • Gasgas MC 450F 2022
        • GasGas MC 450F 2023
        • Husqvarna FC450 2019
        • Husqvarna FC450 2020
        • Husqvarna FC450 2021
        • Husqvarna FC450 2022
        • Husqvarna FC450 Factory Edition 2018
        • Husqvarna FC450 Factory Edition 2019
        • Husqvarna FC450 Factory Edition 2020
        • Husqvarna FC450 Factory Edition 2021
        • Husqvarna FX450 2019
        • Husqvarna FX450 2020
        • Husqvarna FX450 2021
        • Husqvarna FX450 2022
        • KTM 450SX F 2019
        • KTM 450SX F 2020
        • KTM 450SX F 2021
        • KTM 450SX F 2022
        • KTM 450SX F FACTORY EDITION 2018
        • KTM 450SX F FACTORY EDITION 2019
        • KTM 450SX F FACTORY EDITION 2020
        • KTM 450SX F FACTORY EDITION 2021
        • KTM 450XC F 2019
        • KTM 450XC F 2020
        • KTM 450XC F 2021
        • KTM 450XC F 2022

        Price history

        Recorded changes for this exact variant.

        Step chart of dated store-price observations. Solid lines show confirmed crawl coverage, dashed lines show overdue missed-check spans, and every line stops at the last confirmed price.

        1. 1XPERT Moto Gear5 points · last checked 24 Aug 2026
        2. 2MotoHeaven3 points · last checked 23 Aug 2026
        3. 3Superbike Supply3 points · last checked 21 Aug 2026
        4. 4Highside Shop1 point · last checked 8 Aug 2026
        5. 5Motorcycle Stuff Australia1 point · last checked 24 Aug 2026

        Solid steps show periods confirmed by the store’s change-only price history and completed crawl record: if the price had changed at a check, another point would appear. Dashed steps show overdue periods with no completed crawl confirmation. Every line stops at that listing’s last confirmed check and is never extended to today. Prices are not live and may have changed since the last point shown.

        How we collect and compare prices
        Cheapest we found: $1,308.95 · XPERT Moto GearJump to comparison