SKU: 15445593471

FMF - Factory Fatty Pipe (Yamaha)

Sale price$121.50 Regular price$135.00
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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7

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Description

FMF - Factory Fatty Pipe (Yamaha)FMF Factory Fatty Pipe (Yamaha) FMF built the Factory Fatty Pipe for riders who want that old school factory feel raw power, clean response, and a sound that hits deep. Inspired by the original works cone pipes from pro race teams, this one brings that same hand built race shop quality straight to your Yamaha two stroke. It looks, feels, and runs like something straight off a factory bike. Made from lightweight 20 gauge steel with a 19 gauge header

FMF - Factory Fatty Pipe (Yamaha)

FMF built the Factory Fatty Pipe for riders who want that old-school factory feel — raw power, clean response, and a sound that hits deep. Inspired by the original “works” cone pipes from pro race teams, this one brings that same hand-built race-shop quality straight to your Yamaha two-stroke. It looks, feels, and runs like something straight off a factory bike.

Made from lightweight 20-gauge steel with a 19-gauge header section, every Factory Fatty is hand-pounded and perfectly shaped to smooth exhaust flow and boost performance across the board. You’ll feel stronger pull right off the bottom, cleaner midrange, and more over-rev when you stay in it. No matter if you’re moto racing, trail riding, or just chasing buddies around the track — this pipe delivers that crisp, aggressive FMF powerband everyone’s after.

Why We Like It:
It’s that perfect blend of sound and snap. The Factory Fatty gives your Yamaha that classic two-stroke bark, but with more usable power everywhere. It makes the bike feel alive — like the motor’s breathing better and begging to be ridden harder.

Why It’ll Work for You:
If you’re new to upgrading pipes, this one’s an easy win. You’ll feel a smoother hit when you roll on the throttle, better pull through the mid, and a cleaner rev up top. Plus, it’s built tough enough to handle crashes and deep ruts without folding. It’s one of those upgrades that instantly makes your bike more fun to ride.

Variants / Options:
Available for a wide range of Yamaha two-stroke models. Direct bolt-on fitment with FMF quality and finish.

 

Key Features:

  • Inspired by FMF “works” cone pipes used by factory teams

  • Broadens and smooths the power curve across the rev range

  • More low-end torque, stronger mid, and better over-rev

  • 20-gauge steel body, 19-gauge steel header

  • Hand-pounded seams for smoother exhaust flow

  • Lightweight, race-proven FMF construction

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 15445593471

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4.9 ★★★★★
Based on 11 reviews
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Verified Purchase
M. Ross
Chelsea, US
★★★★★ 5
Didn't fit my narrow feet, but still excellent shoes at a great low price
Size: 11, Color: A Black
These are some of the lightest shoes I've ever seen, but the build quality appears to be excellent. They're tongue-less, like slip-ons, but unlike some, you can adjust the tightness with the laces. The body of the shoe is a mesh-like fabric, which allows good breathability and overall comfort, and the soles are a molded rubbery material with nice treads for grip. I've been wearing a name-brand shoe made very similarly for a couple of years, and these are a very good likeness of them, at a much lower price. I like them because of the light weight and the fabric, which make them feel almost like you're barefoot. Unfortunately for me, I have narrow feet, and these fit more like a D width shoe, with more room in the toe box than I can handle. I'm returning them for that reason. For people with "normal" feet, these make really nice, stylish and comfortable shoes. I don't know how well they would hold up to sports or running, but for walking and day-to-day wear, they're great. I suppose I could grade them down because they don't fit my feet, but I find lots of shoes don't, and many makers use D width as the default for men's shoes. So I'm still rating them as 5 stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2025
K
Verified Purchase
Kayleb
West Palm Beach, US
★★★★★ 3
In a pinch they're worth it.
Size: 12, Color: D Grey
I got the dark gray color. They came exactly as pictured and are decently comfortable but as far as packaging it's very poor. They come in a small plastic bag all squished and deformed so you have to wear them a few times before they take shape again. For the price it's a great buy for some generic work shoes or something, the bottom tread doesn't last long at all though if you're expecting them to last a long time as it will be gone in a week or two if you wear them frequently. Buy them if you don't feel like spending a lot of money on shoes but want a new pair cheap.
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Reviewed in the United States on April 22, 2026
L
Verified Purchase
Leo
Battle Creek, US
★★★★★ 5
Ladies, don't be afraid. Buy 'em. Trust me
Size: 9.5, Color: A Black
My elderly mother adores these. She had to have breathable awesome shoes for post-surgery and these fit the bill (and her feet!) So i got some for me. Whoa. Comfort! And I love the slip-on ease, b/c sometimes I just need to go, go, and go some more. Love them in black, haven't had long enough for durability, but helpful for my mom in her physical therapy and they're holding up to the worst she can do to them.
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Reviewed in the United States on April 28, 2026
D
Verified Purchase
David Staats
Waukegan, US
★★★★★ 4
Good overall shoe, great for basic needs
Size: 12, Color: A Black
These are nice shoes. I put $40 arch support insoles in mine, so I like them even more, but they were fairly comfortable even without. They fit well, though slightly large, and seem to hold up well. No real complaints, though made a bit cheaply.
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Reviewed in the United States on May 12, 2026
B
Verified Purchase
BODE A. FAMORIYO
Lowell, US
★★★★★ 5
Great walking shoes
Size: 11, Color: All Black
A very comfortable walking shoe that’s well made and looks like it’s going to hold up well for everyday wear. Lightweight indeed and probably doesn’t require much cleaning. Easy to get on and off without much stress though.
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Reviewed in the United States on May 30, 2026

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