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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
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Description
FMF Racing Yamaha YZ250F/YZ450F 06-09 /WR250F 07-13/WE450F 07-11 Anod SS Fact 4.1 SO MufflerExperience top tier performance and authentic sound with the FMF 4 Stroke Factory 4. 1 Muffler, designed specifically for Yamaha YZ250F, YZ450F models from 2006 to 2009, WR250F 2007 to 2013, and WE450F from 2007 to 2011. This muffler features an anodized stainless steel finish that combines durability with a sleek, factory inspired look, making it ideal for those who want both function and style. FMF Racings Factory 4. 1 muffler is engineered to
Experience top-tier performance and authentic sound with the FMF 4-Stroke Factory 4.1 Muffler, designed specifically for Yamaha YZ250F, YZ450F models from 2006 to 2009, WR250F 2007 to 2013, and WE450F from 2007 to 2011. This muffler features an anodized stainless steel finish that combines durability with a sleek, factory-inspired look, making it ideal for those who want both function and style.FMF Racing’s Factory 4.1 muffler is engineered to increase exhaust flow and optimize engine performance, giving your bike a noticeable boost in power and throttle response. Its construction emphasizes longevity and resistance to wear from tough trail and track conditions. Whether you're tuning your bike for racing or trail riding, this muffler meets high standards for quality and efficiency.
The muffler's streamlined design ensures an aggressive exhaust note without overwhelming noise, helping you stand out in the crowd but still comply with many noise regulations. Installation is straightforward, and the product fits perfectly with OEM configurations thanks to precise engineering and tested compatibility. Upgrade your Yamaha’s performance with an exhaust component trusted by riders who demand excellence and reliability from their gear.
Choose the FMF 4-Stroke Factory 4.1 Muffler to enhance your bike's performance, durability, and sound profile, backed by FMF Racing’s reputation and craftsmanship.
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
4.6 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 4
Plastic key holder
Color: Black
A little light as it is plastic, but it does the job
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Great for keys
Color: Black
I haven’t misplaced my keys since I bought it. I do wish it were a little heavier in weight but it gets the job done
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Reviewed in the United States on May 15, 2026
★★★★★ 1
I do not recommend
Color: White
Very flimsy and cheap
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Reviewed in the United States on May 9, 2026
★★★★★ 3
Great for simple jewelry
Color: Black
I’ve had it for some time now, it’s okay. Not the material I was expecting. It’s sturdy. It came with a few scratches, I did get a used one though. I recommend this product for simple jewelry for kids, and get something better quality for your more expensive jewelry.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Good for the price
Color: Black, Color: Black
Very cute, well made, it is plastic but it’s durable. Better than the higher priced item I was considering.
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Reviewed in the United States on November 5, 2025