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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
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Description
FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Hex Q4 S/A MufflerExperience uncompromised performance and unmistakable style with the FMF Racing 4 Stroke Q4 Muffler, specifically engineered for Yamaha models YZ450F (2018 2026), WR450F (2019), and YZ450FX (2019 2024). This hexagonal shaped slip on muffler is designed to enhance your bike's sound and power output while maintaining an aggressive look that stands out on any trail or track. The Q4 Muffler utilizes FMF's cutting edge technology to deliver a deep, crisp
Experience uncompromised performance and unmistakable style with the FMF Racing 4-Stroke Q4 Muffler, specifically engineered for Yamaha models YZ450F (2018-2026), WR450F (2019), and YZ450FX (2019-2024). This hexagonal-shaped slip-on muffler is designed to enhance your bike's sound and power output while maintaining an aggressive look that stands out on any trail or track.The Q4 Muffler utilizes FMF's cutting-edge technology to deliver a deep, crisp exhaust note that enriches your riding experience. Its construction ensures durability and reliability under extreme conditions, making it the ideal upgrade for enthusiasts seeking to optimize their dirt bike’s performance.
Installation is straightforward thanks to its direct slip-on design which fits perfectly without the need for complex adjustments. Whether you’re hitting the motocross circuit or enjoying off-road adventures, the FMF 4-Stroke Q4 Muffler provides increased throttle response and a noticeable boost in acceleration.
Crafted with the passionate rider in mind, this muffler combines functionality and style to give your Yamaha a bold sound signature and improved exhaust flow. Trust FMF Racing for quality and innovation that pushes the limits of your two-wheeled machine.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Strong
Size: Small, Color: Textured Ring
My French Bulldogs have really strong jaws and are aggressive chewers. These really are sturdy and last a good amount of time. I replace every couple of months and they are one of my dogs favorites and easy for them to hold onto.
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Reviewed in the United States on April 25, 2026
★★★★★ 4
Durable Chew Toy That Actually Holds Up to Strong Jaws
Size: Large, Color: Bundle
This is a reliable option for a heavy chewer, especially for a large breed with a strong bite. The material feels tough and well-made, and it stands up well to consistent chewing without immediately breaking down like softer toys tend to do. It also gives a bit of dental benefit by helping reduce plaque and tartar buildup during play, which is a nice bonus since brushing isn’t always realistic. The textured surface keeps it interesting enough to hold attention for a while, and it doesn’t splinter or create a mess. Overall, it’s a solid, durable chew toy that works well for strong chewers who tend to destroy most standard toys quickly.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Ergonomic good, material so, so
Size: Large, Color: Wishbone
Nice ergonomic, but the plastic come off and dog chew it. I had rather have a stronger material adequate for bigger dogs.
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Reviewed in the United States on April 30, 2026
★★★★★ 3
Love it, nice for tough chewers, split in half during play
Size: X-Large, Color: Textured Ring, Size: X-Large, Color: Textured Ring
LOVE THIS PRODUCT, would’ve gotten 5 stars but i threw it for my dog and it split in half on contact with the floor. It had lasted us well over 5 months, it’s not his favorite toy but he’ll pick it sometimes, i wouldn’t say it’s unsafe in half just don’t give the smaller parts!
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Dogs love them
Size: X-Large, Color: Textured Ring
Great for aggressive chewers . hold up well
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Reviewed in the United States on April 26, 2026
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