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    FDY Performance

    Q4 Hex Exhaust Silencer 25-25 Kawasaki KX 250 F X - FMF 042410

    Q4 Hex Exhaust Silencer 25-25 Kawasaki KX 250 F X - FMF 042410

    £425.44 GBP
    £425.44 GBP
    Sale Sold out
    Taxes included. Shipping calculated at checkout.

    FMF’s Q4 HEX S/A 042410 takes off-road riding to the next level by delivering significant power gains while remaining remarkably quiet. Harnessing advanced chamber and baffle engineering with proprietary multistage packing, the Q4 HEX provides exceptional performance that doesn’t exceed stringent sound regulations. Its rugged yet lightweight aluminium and stainless steel construction ensures durability for the toughest environments, all while reducing weight compared to stock systems.

    Features

    • Delivers notable power gains across the full RPM range
    • Industry-leading quiet technology meets USFS and FIM World Enduro sound standards
    • Constructed with grey anodised aluminium canister and robust stainless steel midpipe/endcap
    • Weighs less than the OEM exhaust for enhanced agility
    • Integrated screen-type spark arrestor for safety and compliance
    • Rugged build ensures off-road endurance
    • Complete with a quiet insert
    • Made in the USA

    Specifications

    • Notice: Closed Course Use Only
    • Item ID: 042410
    • Type: Slip-On
    • Configuration: Single
    • Construction: Aluminium
    • Finish: Grey Anodised
    • Midpipe: Stainless Steel
    • Endcap: Stainless Steel
    • Spark Arrestor: Screen Insert (included)
    • Quiet Insert: Included
    • Carb Warning: No

    Vehicle Fitment

    Kawasaki

    • KX250F (2025)
    • KX250X (2025)

    FDY Performance – Engineered for riders who demand more.

    At FDY Performance, we deliver precision-engineered motorcycle parts trusted by riders across the UK and beyond. Every component is tested for reliability, durability, and peak performance so you can ride harder, longer, and with confidence.

    We’re not just a brand — we’re a movement built by riders, for riders. Whether you’re chasing podiums, upgrading your build, or maintaining your machine, FDY Performance keeps you on the road and at the top of your game.

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