| I tested the FMF gold series fatty pipe on a 2001 | | | | bike. If you're looking for more power |
| Yamaha yz125 and I will say that it is a great | | | | everywhere on your two-stroke dirt bike, then |
| addition for pretty much any bike. If you want a | | | | this is the pipe to get. It's amazing how cheap |
| little more power with just one bolt-on part then | | | | two-stroke exhaust pipes are compared to |
| here is a great opportunity. The FMF Fatty pipe | | | | four-stroke exhausts. |
| made a good, healthy increase in power from the | | | | Even compared to their own four-stroke pipes, |
| bottom all the way to the top. It increased the | | | | the FMF two-stroke pipes are a fraction of the |
| horsepower everywhere and increased the | | | | cost. This is the perfect do-it-all pipe because it |
| throttle response. | | | | works well for trail riding, motocross, and even |
| The Fatty also gave the bike a little more | | | | desert riding. This is why the Fatty pipe is the |
| over-rev, which really helps if you're a rider who | | | | most popular two-stroke pipe. Not only does this |
| likes to wring its neck. I honestly do not have any | | | | pipe increase power, but the FMF Fatty pipe is |
| complaints about the FMF Fatty pipe. I really like | | | | stronger than a stock exhaust pipe because it is |
| this pipe and would buy it again. The quality of this | | | | made from 19 gauge US steel and has a nickel |
| FMF exhaust is excellent and a lot better than | | | | finish, which allows for a great look and easy |
| stock. It was extremely easy to slip on the bike | | | | cleaning. |
| and did not interfere with anything else on the | | | | |