We have something to suit everyone, from someone looking for a fair priced replacement all the way to that person looking for that factory titanium header. Here are your choices to choose from and why. We offer our Hi-Flo and Powerbomb headers either in stainless steel or titanium. Our stainless steel headers offer you a lower priced header with increased durability compared to our titanium versions, because of the material and its lower costs and MIG and TIG welding.
Don't let the lower price fool you into thinking they won't perform as well as the titanium versions though. These are modeled identical to the titanium headers and use the same CNC benders to insure proper fit every time.
Since titanium is a higher grade metal, these headers are priced higher compared to our stainless steel versions. You don't get more exotic then titanium. Our Hi-Flo header is an upgrade to your stock header. We've taken the stocker header an improved it to the point that we're not drastically changing the powerband or losing power over stock. On some models, like the YZ we alter the routing so that it's tucked into the bike better so that it's less vulnerable to damage and so that you can change the oil filter without having to loosen or remove it.
The Powerbomb chamber has two functions. One it acts like a pre-muffler to knock down the sound level a bit and two increases power by increasing the rate in which the header can flow. When the exhaust enters the chamber, it expands and then cools which causes it to contract. This expansion and contraction actually speeds up the exhaust through the header.
It also has a scavenging effect on the exhaust port, which will let a fresher air and fuel charge into the cylinder for a more efficient burn. This also creates even more power. Don't be fooled by larger diameter headers increasing power everywhere. With a loss of backpressure at the exhaust port you will lose low end power in order to gain top end. Both the Hi-Flo and Powerbomb headers increase power throughout the entire power band. The science behind the Megabomb header may be our greatest engineering accomplishment to date.
You can bolt on a Megabomb with an existing FMF Racing slip on for as much as a 3hp boost, plus the Megabomb actually reduces noises levels by as much as 1. You will see the majority of your power increases on the low to mid range as well as broadening out the mid to top end over stock. This works great for tight woods riding, supercross type tracks or for someone looking to boost that bottom end.
Keep this in mind. This is true to a certain extent until you get out of the tuning range of the motor. A cc motor will only flow so much exhaust. For more top end, add more discs and for more bottom end, run less discs with the quietcore installed. Gold Series refers to the plated finish of our pipes. All our pipes other than the SST and ATV pipes are nickel-plated, which end up turning a slight gold color over time from the temperature, hence the name.
Fatty pipes are designed to give the engine an all around power increase. We are not drastically altering the power band of the bike. This pipe will appeal to most people that are happy with the stock power band and just looking for more useable power everywhere.
Our Gnarly pipes have been developed and tested for the off-roader in mind. With thicker 18g steel construction, it will take the punishment you can throw at it. This pipe will shift and increase the power band so that it comes on sooner, pulls harder through the mid and smoothes out the high RPM surge.
This was once called our Torque pipe, but it did not include the thicker steel construction. The Rev pipe is designed for that rider that keeps it wide open.
This pipe takes a little from the bottom and puts it up on top to keep it screaming. We offer this pipe for 80cc and cc's only and are recommended for higher skilled riders, as the power can be a little pipey. For outdoor high-speed tracks, this works awesome. This is probably one of the most asked questions.
The rumor mill has created several very creative meanings that we dare not share. We do not necessarily look for the fastest riders as much as we look for whom we feel would be the best representatives for FMF Racing. FMF support vehicles are always on the move. For the latest schedule, click here. This is a common question we get here at FMF Racing. You cannot add a spark arrestor screen to any existing 2-stroke silencer. The reason for this is because all of our 2-Stroke silencers that have spark arrestors, are built into the actual core as a "Turbine Dampening System" that is welded to the core and is U.
Forestry Approved. The three silencers we offer with spark arrestors are the Turbinecore's, Q Series and the Q-Stealth's. For the majority of the time you will not need to use your existing stock OEM muffler clamp, unless stated in the directions for select models.
We do recommend a light bead of high temp silicone with every application around the inner diameter of the mid pipe that slips over your header. We do not recommend or guarantee you try to match it to a stock muffler. For the most part, yes. We build our mufflers to be fully interchangeable between all of our products and stock components.
This way you don't have to worry about something not fitting down the road. We recommend you call one of our customer service representatives at before you make any purchases to verify the fitment on your machine. As we all know sound is a major issue, which can effect whether or not we continue to enjoy our sport without offending others. Also your system performs best and will last longer when the silencer is properly maintained.
A two stroke running a little rich on the oil ratio will saturate the silencing media very quickly. Read the full article HERE.
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Because the majority of people that have dirtbikes don't even race and they will never race. They just like to go out and ride with the family and we are a family-oriented company and we definitely want to get to those people. So can you let us behind the curtain and tell us about some future plans? We are just always pushing forward and we utilize all of our race teams as our test bed. So if we come up with something that works really good for, say, the Joe Gibbs' Yamaha and we like it, then we just put that back into the pipeline and right into the manufacturing process.
So how do your customers react when you do something like the Ronnie Mac campaign that featured the moto rider in overalls and spawned a line of "overall" T-shirts? It's so funny that you could spend so much money marketing one athlete. You might have the number-one guy in the world and you're spending so much money pushing a marketing campaign around him and then you get a guy like Ronnie Mac where it literally costs you pennies on the dollar.
You go out and you do this crazy campaign and you just don't know how people are going to receive it and it just goes like wildfire. How often do people show up at your team hauler in their overalls? We have a whole new line of stuff coming out for Ronnie that is going to be pretty funny when people see Ronnie's new equipment. We have more in the pipeline for Ronnie and I think people are going to dig it. He's not for everyone, but he does have his following and it is a pretty big following.
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Rally-Moto X. Don Emler FMF founder Don Emler, 62, built his business from his garage in into a prominent motorcycle parts company. By: Tes Sewell.
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