


KTM 55405907000 FMF Fatty Pipe
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
KTM 55405907000 FMF Fatty PipeKTM 55405907000 FMF Fatty Pipe FMF FATTY EXPANSION CHAMBER Extra strong sheet steel Nickel plated surface Wide, even engine speed range Higher speedMore traction Better gas control Combination with FMF silencer recommended F6375Q0 250 SX 2017 2017 USF6375Q5 250 XC 2017 2017 USF6375R0 250 SX 2018 2018 USF6375R5 250 XC 2018 2018 USF6475Q5 300 XC 2017 2017 USF6475R5 300 XC 2018 2018 USF7375Q3 250 XC W 2017 2017 USF7375R3 250 XC W 2018 2018 USF7375R4 250
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- Express: 1-2 business days
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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.
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★★★★★ 3
they claim to be stretchy but are not.
Size: 38W x 32L, Color: Stone Medium Wash
they don't stretch, but nice jeans if you're looking for non stretch jeans.
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Reviewed in the United States on December 16, 2025
★★★★★ 4
Can't beat it!
Size: 30W x 34L, Color: Black-heavyweight
These pants are a little to snug on waist but i only really notice this problem on black jeans regardless of brand, other than that These a verry comfy zipper work well haven't had any issues I wear these once a week so obviously I wash them once a week, color hasnt faded much at all. Compared to levi I think amazon has them beat in Price, Quality, Durability, Color Fading. You cant go wrong with these.
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Reviewed in the United States on December 23, 2025
★★★★★ 5
Good fit
Size: 33W x 28L, Color: Rinse
Good value
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Loose fit
Size: 40W x 32L, Color: Stone Medium Wash
They were a little larger than I thought, but one size below didn't fit.
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Reviewed in the United States on March 29, 2026
★★★★★ 1
Awful
Size: 32W x 34L, Color: Black
These are the least comfortable jeans ever. Not stretchy. Not lightweight. I feel like I can barely move in them. Don't make the same mistake I made. I wish I never bought these.
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Reviewed in the United States on April 17, 2026