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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
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Description
Factory racing expansion chamber 125 (SX, XC) 23-25Suitable for standard silencers Greater performance due to special engine mapping Untreated surface Higher speed Uncompromising race look Improved throttle response and increases in both power and torque Designed to get the best performance from the motorcycle Substantial weight saving Saving 15 % weight compared to the stock expansion chamber (ca. 0,4 kg) Approvals: CCCUO_EU, FIM Factory Racing: USED BY FACTORY RACING Surface: Natural untreated
- Suitable for standard silencers
- Greater performance due to special engine mapping
- Untreated surface
- Higher speed
- Uncompromising race look
- Improved throttle response and increases in both power and torque
- Designed to get the best performance from the motorcycle
- Substantial weight saving
| Approvals: | CCCUO_EU, FIM |
| Factory Racing: | USED BY FACTORY RACING |
| Surface: | Natural/untreated |
| Mapping: | Mapping |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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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]
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4.5 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Look and feel awesome!
Size: 11.5, Color: Optic White/Opti
These are awesome shoes - look great really, really white and clean! Love how comfortable they are - and soooo light. I was a little worried they'd get dirty easily, but I've been able to keep them clean. Fit as expected. If you're looking for a great, comfortable, and affordable shoe, check these out!
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Reviewed in the United States on December 4, 2025
★★★★★ 5
Great shoe, comfort
Size: 11.5, Color: British Tan/Ivry
Love these shoes, they're super comfy. Laces stayed tied all day. I wear them in a business casual environment, or if I'm going out for a nice meal with my wife. They look good, the color is unassuming and neutral. they also elevate my height, I feel like it gives me an inch or so more versus regular shoes. This is my second pair!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Good shoes
Size: 7, Color: British Tan/Ivry, Size: 7, Color: British Tan/Ivry
Look very nice these shoes, speally to go out to dinner with the family, are really light weight, great quelith, and great softness
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Nice Shoes
Size: 10.5, Color: British Tan/Ivry
Nice pair of shoes for my feet. Fits comfortably and nice cushion when walking.
I would buy another pair.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Super comfortable!
Size: 9, Color: Navy Blazer/Ivor
Some of the most comfortable shoes that I've ever worn/walked in! Super light on my feet. Nice casual looking and comfortable shoe for a reasonable price. I already brought 3 pair.
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Reviewed in the United States on April 21, 2026