Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
FMF Racing Suzuki DRZ400 06-07/400S 00-22/400SM 05-21 / Kawasaki KLX400SR 03-04 PC 4 S/A MufflerThe FMF Powercore 4 Muffler is engineered for performance enthusiasts seeking a perfect blend of power and sound for their motorcycles. Designed to fit Suzuki DRZ400 models from 2006 to 2007 and 400S from 2000 to 2022, as well as 400SM from 2005 to 2021, and Kawasaki KLX400SR from 2003 to 2004, this muffler offers compatibility with a wide range of machines. Crafted with precision by FMF Racing, a trusted name in the world of performance exhaust
The FMF Powercore 4 Muffler is engineered for performance enthusiasts seeking a perfect blend of power and sound for their motorcycles. Designed to fit Suzuki DRZ400 models from 2006 to 2007 and 400S from 2000 to 2022, as well as 400SM from 2005 to 2021, and Kawasaki KLX400SR from 2003 to 2004, this muffler offers compatibility with a wide range of machines.Crafted with precision by FMF Racing, a trusted name in the world of performance exhaust systems, the Powercore 4 features advanced technology that enhances exhaust flow without compromising backpressure. It delivers a deep, aggressive tone that brings your bike's engine to life while ensuring optimized performance.
Constructed from high-quality materials engineered for durability and heat resistance, this muffler withstands demanding riding conditions and contributes to a more spirited ride. Its sleek design complements the aesthetics of your bike while providing the benefits of reduced weight and improved throttle response.
Ideal for riders who crave that extra edge on the track or trail, the FMF Powercore 4 Muffler is a direct-fit upgrade that installs easily without modifications. Whether upgrading your Suzuki or Kawasaki, trust FMF Racing's expertise to boost your motorcycle's potential with this top-tier muffler.
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
4.9 ★★★★★
Based on 1948 reviews
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Product Reviews
★★★★★ 5
Great no show socks
Size: Small, Color: (725) Oxford Brown / Oxford Brown / Black
Very comfortable and perfect fit for my small feet. I love the full coverage sock feel with a totally no show sock.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Great no shows for people with larger feet
Size: Large, Color: (001) Black / Black / Castlerock
Some of my favorite socks!! Great quality, fit, and material. I love that they don't slip down in my shoes, especially considering I have larger feet. I also love that Under Armour offers larger sizes in their socks considering everyone in our household has much larger feet than others.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Best liner socks EVER
Size: Medium, Color: (348) Silica Green / Silica Green / Hydro Green
I have them in every color and used to get them from Sams, but they stopped selling them and I was lucky to find them on Amazon. Got all colors again. They stay, it's all I'm gonna say! And don't show in any of my tennis shoes. Absolutely love them and wear them until they get holes. They last a LONG time too. They're on the thin side and my foot loves them because they tend to get hot. There's no shrinking, they wash great with exception of the white ones I couldn't manage to keep white - they turned a bit greyish.
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Great socks
Size: Medium, Color: Pink - 647
Well-made and comfortable to wear. Great for golf and other outdoor activities. Like them because they do not show above shoes.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
These ACTUALLY stay put all day long - I was skeptical, but am so glad I took a chance on these
Size: Medium, Color: (014) Halo Gray / Halo Gray / Castlerock
I was so skeptical about whether these would stay on my feet all day without sliding down into my shoe - I’ve tried so many socks in the past with the silicone strip on the heel which failed.
I’ve owned these for a couple months now and they have never slipped down - they stay put all day! I love the variety of colors to choose from, and the value per pack is great since six pairs come per pack (I thought it was only three when I first purchased and was pleasantly surprised by the additional pairs). They also have perfect thickness - not too warm to wear during the summer months with sneakers; I live in a tropical climate, though, so I’m not sure how they will do in cooler climates. I’ve washed each pair once or twice and the color and quality of the silicone has stayed so far (knock on wood).
Overall: high recommend based on my experience so far!
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Reviewed in the United States on September 13, 2025
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