…includes muffler and header. For Part#s 327-045134, 327-045148, and 327-045135 are to be used with stock headers. For Part# 327-045252 is to be used with FMF headers 327-045045 or 327-045046. Part# 327-042162 (Moto Muffler). Note: Image shown may not represent specific model/color. Images are for reference…

* All new incorporating the latest in Resonance Chamber Technology * Patented core shape lowers sound level while maintaining maximum power output * Patented canister shape increases internal volume for more sound absorbing material * Patented chamber design to enhance and refine exhaust pressure *…

…weight savings * Manufactured 100% at FMF's Southern California factory * RTS (Rapid Tuning System) makes for easy sound insert changes * FMF uses the highest quality proprietary blend of alloy titanium made especially to our standards * Can be used with FMF header or stock * #1 Exhaust in 2011 Supercross…

* Incorporates FMFs patented PowerBomb module at a precise location in the initial stage of the header * Flow increase of nearly 10% * Outer chamber allows air to expand, cool and ramp back up at a higher velocity * Helps to lower sound output by providing more sound absorbing surface area * Choose…

* Race tested for proven reliability and performance * Use with stock or FMF Header * Easily serviced for repacking * 94dB Insert Included

* Resonance Chamber Technology (R.C.T.) * Patented core shape lowers sound level while maintaining maximum power output * Patented canister shape increases internal volume for more sound absorbing material * Patented chamber design to enhance and refine exhaust pressure * Factory Forward…

* Power exclusive ti-metal construction * More useable power from the stock motor as well as a 3-5hp boost * Lower sound output by up to 1.5 dB. Less susceptible to damage than a long header * Produces low end of a long header and top end of a short header * Improved bottom to mid-range

* Developed over years of championship offroad racing * Max sound output 96dB; most models below 94dB * American Timetal canister, end caps and midpipe * Comes standard with spark arrestor

* The most popular 2 stroke silencer in the FMF arsenal * Balances power enhancements into a lightweight extruded aluminum oval canister design * Equipped with a Performance Flow end cap and nickel plated front stinger * Easy maintenance and is completely repackable

* Made from premium Ti-metal American material * Gain up to three horsepower with a single bolt-on mod * A great compliment to the Factory 4.1 muffler * Quality construction for maximum durability * Reduces sound output by up to 1.5dB * Patent pending design

* Incorporates FMFs patented Power Bomb module at a precise location in the initial stage of the header system * Positioning the Bomb at this key point, the expansion and contraction of exhaust sonics through the system results in a flow increase of nearly 10% * The surface of the perforated core…

* Constructed of strong 19 gauge steel with nickel plated finish for maximum durability * Computer designed and dyno tested to focus power gains where each machine needs it * Tru-flo stamping process to ensure quality performance * Hand pounded seams * Cone section is shaped like the original fatty…

* Used by professional race teams such as Factory KTM, Yamaha of Troy and Star Racing * Horsepower gains throughout RPM range * Powerbomb header available in stainless steel or titanium; megabomb comes in titanium only * Muffler available in natural or blue anodized finish * 94dB Insert Included

* Increases the horsepower and torque throughout the entire power curve for a noticeable power increase that is very usable and beneficial, no matter what your riding style or ability is * Space age internal packing for maximum packing life * Hi-Flo modular end cap * Internal shape of core uses Hi…

* Increases the horsepower and torque throughout the entire power curve for a noticeable power increase that is very usable and beneficial, no matter what your riding style or ability is * Space age internal packing for maximum packing life * Hi-Flo modular end cap * Complete system with spark…

* Stainless steel end cap ensures strength and durability * Low maintenance, lightweight and power retaining * Exclusive turbine dampening system * U.S. Forestry legal * #1 spark arrestor in the world