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- USA
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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Factory Racing performance kit 125 SX 2023-2025Better power delivery Designed to get the best performance from the motorcycle Greater performance due to special engine mapping Suitable for standard silencers Includes a pre assembled factory cylinder with a special port finishing. Gaining additional approx. 2,5 hp on your engine. Saving 15 % weight compared to the stock expansion chamber (ca. 0,3 kg). Approvals: CCCUO_EU, FIM Factory Racing: USED BY FACTORY RACING Mapping: Mapping
- Better power delivery
- Designed to get the best performance from the motorcycle
- Greater performance due to special engine mapping
- Suitable for standard silencers
- Includes a pre-assembled factory cylinder with a special port finishing.
- Gaining additional approx. 2,5 hp on your engine.
- Saving 15 % weight compared to the stock expansion chamber (ca. 0,3 kg).
| Approvals: | CCCUO_EU, FIM |
| Factory Racing: | USED BY FACTORY RACING |
| 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:
- 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
4.1 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 1
Too large. Correct size not depicted.
SIZE 10-14... Too large. Product details says "Regular" size. Returning.
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Reviewed in the United States on March 16, 2026
★★★★★ 2
Too big
The one size fits all was too big for me.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Not to thick or thin well made
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
I bought pink so as not to lose when doing laundry with my daughter who steels all socks lol!
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Perfect
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
They were perfect
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Very Comfortable!
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
Very comfortable. Don’t slip off back of heal. Love the colors.
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Reviewed in the United States on March 25, 2026