★★★★★ 5
Glue for tire.
Better than walking.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
KTM 55405979001 FMF Powercore 2.1 silencer 17 18 19 250 300 XC-W SX XC
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
KTM 55405979001 FMF Powercore 2.1 silencer 17 18 19 250 300 XC-W SX XCKTM 55405979001 FMF Powercore 2. 1 silencer FMF Powercore 2. 1 silencer Outer sleeve made from the finest aluminum Full sound despite low noise level Lightweight Perfect fit Easy to install Combination with FMF Fatty Pipe recommended Specially developed for Motocross use F7475S3 300 XC W TPI 2019 2019 US F7375R4 250 XC W TPI 2018 2018 US F6375Q5 250 XC 2017 2017 US F6375R0 250 SX 2018 2018 US F6375Q0 250 SX 2017 2017 US F7475R2 300 XC W SIX DAYS 2018
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4.4 ★★★★★
Based on 1705 reviews
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Product Reviews
★★★★★ 5
Glue
Works 💪 great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 19, 2025
★★★★★ 5
Worked on slow leak… one month already!!!
Style: 18oz
Edit: Still holding proper pressure at 2-months !!!
Had a slow leak where my tire went from 44psi to ~18psi over 2-3 days… Dashboard light would let me know every few days that I had a tire problem and I would inflate the tire back up to 44psi… Anyway, I used this product and filled air back to 44 psi and it’s held the pressure for a month already !!!! Be sure to deflate tire to ~15 PSI before adding the product… it only took about 30 seconds to empty the container into my tire with the tire pressure low. Very happy with this product !!!
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Excellent stuff!
Style: 18oz
Used this on a Z-Trac with a flat and it fixed it and has held up for over 8 months.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
★★★★★ 5
Greats stuff
Style: 14oz
Works super, has kept air steaycfor over 6 months, no leaks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
