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FMF - Fatty Pipe
The patented FMF Fatty Pipe is hands down the most copied performance exhaust pipe in the world. As with all of our pipes, the Fatty is computer designed and dyno tested giving each bike model individual power gains. Our Tru-Flo stamping process ensures quality fitment, thus optimal performance. Fabricated from sturdy 19 gauge US steel, the Fatty is known for its all-encompassing power gains from bottom to top. Nickel plating provides a durable easy cleaning finish. The FMF Fatty Pipe is our number one seller due to the excellent versatility it provides to racers and riders of all levels.
REVIEW SNAPSHOT®
by PowerReviewsPros
- Easy to use (6)
- Lightweight (6)
- Durable (4)
- Versatile (4)
Cons
Best Uses
- Off-road (6)
- Motorsports:
- Casual rider (5), Motorcycle enthusiast (5)
REVIEWS
Reviewed by 7 customers
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Displaying reviews 1-7
Pros
- Durable
- Easy To Use
- Lightweight
- Versatile
Cons
Best Uses
- Off-Road
- Racing
Comments about FMF - Fatty Pipe (KTM):
More top end power on bike suited for racing
- Motorsports:
- Casual Rider, Competitive Rider, Mechanic, Motorcycle Enthusiast
Pros
- Durable
- Easy To Use
- Lightweight
- Versatile
Cons
Best Uses
- Enduro
- Off-Road
Comments about FMF - Fatty Pipe (KTM):
Looks great,fits great, has a great note to it and gave the bike considerable all round power gains! two thumbs up a great product.
- Motorsports:
- Casual Rider, Motorcycle Enthusiast
Pros
- Durable
- Easy To Use
- Lightweight
- Versatile
Cons
Best Uses
- Off-Road
Comments about FMF - Fatty Pipe (KTM):
Looks great, fits great, gives the bike a nice note and gave good overall power gains! two thumbs up a great product.
- Motorsports:
- Casual Rider
Pros
- Good looking
- Lightweight
Cons
Best Uses
- Off-Road
Comments about FMF - Fatty Pipe (KTM):
Good pipe but has a few problems. It is very easily bent and dented. I dropped it and it literally bent the left side of the pipe (on a 250) back about 3 inches, which had to be bent back into place. Gets dented way too easily, had dings in it just from fitting it from light bumps hitting the radiator and the chrome finish seems to be temporary. Only a month old and well taken care of and spots of rust are already coming through. Would be good to see a stronger design with a higher quality finish. Power change was subtle from a stock KTM pipe but the sound is very nice.
- Motorsports:
- Casual Rider
Pros
- Easy To Use
- Tough
Cons
Best Uses
- Off-Road
- Replacement Part
Comments about FMF - Fatty Pipe (KTM):
Noticeable torque improvement compared to my old factory pipe
- Motorsports:
- Motorcycle Enthusiast
Pros
- Easy To Use
- Lightweight
Cons
Best Uses
- Upgrade
Comments about FMF - Fatty Pipe (KTM):
Fit perfect. Gave the bike great all around power improvement.
- Motorsports:
- Motorcycle Enthusiast
Pros
- Durable
- Easy To Use
- Lightweight
- Tough
- Versatile
Cons
Best Uses
- Off-Road
- Upgrade
Comments about FMF - Fatty Pipe (KTM):
Easy fitting .
Great tuning
Improved power
- Motorsports:
- Casual Rider, Motorcycle Enthusiast
Displaying reviews 1-7













