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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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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
4.2 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Nice Polo
Size: 3X-Large, Color: Fluorescent Green
Nice soft polo. Love the color.
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Reviewed in the United States on December 11, 2025
★★★★★ 3
Material is too thin
The material is too thin.. like a paper towel!
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Reviewed in the United States on April 5, 2025
★★★★★ 5
Great quality
Size: Large, Color: Lake Blue
High quality. Would expect to pay more for stitched material.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Good fit
Size: XX-Large, Color: Royal Blue
I like this shirt on my husband
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Reviewed in the United States on November 21, 2025
★★★★★ 5
Fun and well made.
Size: Large, Color: Black
Very good looking blazer. Fun, well made.
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Reviewed in the United States on April 4, 2026