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FMF EXHAUST SYSTEMS AND SLIP-ON MUFFLERS FOR KAWASAKI 4 STROKES
- Complete systems and slip-on mufflers
- Systems feature titanium PowerBomb header and midpipe, except where noted
- Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps
- Factory 4.1C muffler constructed from carbon fiber with titanium end caps
- The lightest mufflers and full systems available
- Superior power and performance – horsepower improved throughout the rpm range
- Features exclusive proprietary Chamber Core and PowerBomb technology
- Factory forward engineering centralizes mass, improves handling
- Ti or carbon muffler with titanium end caps, mid-pipe and PowerBomb header
- Made from premium quality American materials
- Customize with performance tuning inserts and spark arrestor module
- Meets AMA sound requirements on most models; inserts available for others
- Incredible horsepower gains with 99 dB sound level
- Titanium construction with American TIMETAL® canister and rear end cap
- Designed with FMF’s exclusive Factory Forward Engineering – lowering the center of gravity and centralizing mass
- Utilizes advanced multistage packing material and a Hi-Flo stainless steel formed front end cap and mid-pipe
- Removable spark arrestor included and optional 96 dB insert available separately
- Offers an increase of power that starts from the low end of the rpm scale and continues on through the mid with a huge increase in top-end rpm power
- Constructed from military-grade titanium – the lightest and strongest metal on the planet
- Substantial power gains over standard systems
- Space-age internal packing for maximum packing life
- The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
- Less mass to enhance power-to-weight ratio
- Quiet power with minimal sacrifice for performance
- Developed over years of championship off-road racing
- Twin-stage core design for lower sound output and extended life of packing material
- Comes standard with spark arrestor
- Developed over years of championship off-road racing
- Max sound output 96 dB; most models below 94 dB
- American TIMETAL® canister, end caps and mid-pipe
- Comes standard with spark arrestor
- High performance
- Quiet technology
- Weighs 10% less than the original Q
- Consistently meters below 96 dB
- Maintenance-free U.S.F.S.-approved spark arrestor
- Fits stock and PowerBomb header
- Advanced sound-deadening baffles and chambers, an internal spark arrestor and durable packing material
- Computer designed and dyno tested for each 4-stroke application
- Fits stock and PowerBomb header
- New modular end cap allows easy tuning alterations
- Standard Hi-Flo 2” end cap boosts all-around performance; optional smaller 13/4” end cap smooths power delivery; spark arrestor module adds off-road versatility
- Computer designed and dyno tested for every 4-stroke application
- Enhanced sonic evacuation delivers a higher flow of exhaust gases which increases power
- A stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability
- Square or round (depending on the machine) perforated steel inner cores make for optimum flow, using hi-flo technology
- FMF’s exclusive cross-weave internal packing provides longevity and maximum sound dispersion
- Elliptical aluminum can offers strategic sizing for superior performance
- Optional Quiet Core insert will provide a decrease in sound level if desired
- PowerCore 4 SA system features a patented screen-type spark arrestor that is approved by the U.S.F.S. and does not interrupt exhaust flow so there’s no performance loss
- The PowerCore 4 SA system’s strategic ports allow the sonics to evacuate more effectively with the computer-designed Performance Flow end cap
- Finally, the PowerCore 4 SA system is the new power standard via square inner-core technology; big weight savings over stock
- Combines the huge weight savings of titanium with the performance traits gleaned from FMF’s association with factory motocross teams
- Thousands of hours of both track and dyno time have resulted in power gains averaging just under 20%
- Made from military grade titanium that is light and durable – in most cases the Ti 4 is 50% lighter than stock

4.1 SYSTEM POWERBOMB
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