- Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding
- Aluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strength
- Removable spark arrestor included
Model
Made In
When designing the PowerCore 4 HEX, they looked at their top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.
Features:
- Overall increase in power and torque.
- Durable stainless steel and aluminum construction.
- Space Age internal packing material for maximum longevity.
- Internal shape of core uses Hi-Flo technology.
- Enhanced sonic evacuation provides for higher flow and increased power.
- Includes removable spark arrestor.
- Can be used with FMF or Stock OEM Header
- Computer-designed and dyno-tested for every 4-stroke application
- Hi-Flo end cap boosts all-around performance
- Optional Quiet Core insert will provide a decrease in sound level if desired
- Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power
- Feature a screen-type spark arrestor that does not interrupt exhaust flow or performance
- FMF's exclusive cross-weave internal packing provides longevity and maximum sound dispersion
- Round perforated steel inner cores make for optimum flow, using hi-flo technology
- Elliptical aluminum can offers strategic sizing for superior performance
- A stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability
When designing the PowerCore 4 HEX, they looked at their top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.
- Overall increase in power and torque
- Durable stainless steel and aluminum construction
- Space Age internal packing material for maximum longevity
- Internal shape of core uses Hi-Flo technology
- Enhanced sonic evacuation provides for higher flow and increased power
- Includes removable spark arrestor
The Powercore 4 spark arrestor muffler. FMF developed the Powercore 4 to increase the horsepower and torque throughout the entire power curve. Highest quality packing for long life. Removable spark arrestor included. Louder than the Q4. Approximately 99db stock or about 94db with optional Quiet Insert installed.
- Uses long-life muffler packing for increased packing life
- Forest Service approved spark arrester
Muffler has superficial marks on the inside, not visible when mounted. Never been installed or used, scratches happened in shipping. Sold as is.
When designing the PowerCore 4 HEX, they looked at their top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.
Features:
- Overall increase in power and torque.
- Durable stainless steel and aluminum construction.
- Space Age internal packing material for maximum longevity.
- Internal shape of core uses Hi-Flo technology.
- Enhanced sonic evacuation provides for higher flow and increased power.
- Includes removable spark arrestor.
- Can be used with FMF or Stock OEM Header
- Overall increase in power and torque.
- Durable stainless steel and aluminum construction.
- Space Age internal packing material for maximum longevity.
- Internal shape of core uses Hi-Flo technology.
- Enhanced sonic evacuation provides for higher flow and increased power.
- Includes removable spark arrestor.
- Can be used with FMF or Stock OEM Header
Desire that aggressive look of a Grandprix Growler Exhaust System? Needing a little more mean to your lean bike? If so, you’ve come to the right place! HotBodies Racing has a great solution and a price that’s kind to your wallet. Our NEW MGP Growler inspired exhausts will scare the competition with its deep growl of power and performance while showing off HotBodies’ famous aerodynamic styling. This compact MGP Growler exhaust bolts on your ride with zero modifications, giving you the look of a polished Grandprix model. Complimented by Hotbodies’ sleek Undertail this MGP exhaust will give your bike a ‘direct from the race track’ look.
No repacking required. The LeoVince X3 Enduro is made with TIG welded stainless steel internals and aluminum outer shell. It features a semi-direct chamber design that is maintenance free. It's quiet too! Our own in-house testing showed a 84dB sound level using the USFS J1287 testing procedure. That is a bit louder than stock but significantly quieter than other aftermarket mufflers. It includes a certified Spark-Arrester. This muffler requires a stock muffler joint gasket when used with either the stock headpipe or the FMF headpipe.
No repacking required! The Leo Vince X3 Enduro is made with TIG welded stainless steel internals and aluminum outer shell. It features a semi-direct chamber design that is maintenance free. It's quiet too! Our own in-house testing showed a 84dB sound level using the USFS J1287 testing procedure. 84dB is louder than stock but significantly quieter than any other aftermarket muffler. It includes a certified Spark-Arrestor.
This muffler works on OEM header only!
- The latest EVOLUTION of the popular LV ONE: Aggressive Sound and Style
- Clean laser-etched Leo Vince logo in an innovative carved design (for the carbon-fiber exhaust: bright aluminum die-cut high-temp resistant Leo Vince adhesive logo)
- Asymmetric design and high-temp resistant full carbon-fiber end cap
- Impact-resistant sandblasted oval AISI 304 stainless steel sleeve – titanium look
- TIG-welded stainless steel front cup
- Adjustable full-carbon fastening strap
- Removable dB Killer, weight savings and flawless installation
- The latest EVOLUTION of the popular LV ONE: aggressive sound and style
- Clean laser-etched Leo Vince logo in an innovative carved design (for the carbon fiber exhaust: bright aluminum die-cut high-temp resistant Leo Vince adhesive logo)
- Asymmetric design and high-tempiresistant full-carbon fiber end cap
- Impact-resistant sandblasted oval AISI 304 stainless steel sleeve – titanium look
- TIG-welded stainless steel front cup
- Adjustable full-carbon fastening strap
- Removable dB killer, weight savings and flawless installation
Two options are available: stainless steel and carbon fiber. The stainless steel features ASIS 204 stainless steel with a special sandblasted finish giving it a titanium-like look. The carbon fiber option is the lighter than stainless steel and features a flat finish that exposes the intricate carbon fiber weave.
- CAD/CAM design for precise fit
- Techno-polymer end-cap
- Weight savings over stock exhaust
- Increased horsepower across the entire RPM range
- TIG-welded AISI 304 stainless steel link pipe
- Tuned to work with stock fuel settings
- Features lightweight stainless steel and aluminum construction
- Designed to increase horsepower and torque
- Bolts directly to the stock headpipe
- Uses a U.S.F.S. certified spark arrestor.
- DG offers 4 different Quiet Core Inserts to reduce exhaust sound.
- Lightweight at approximately 5.5 lb.
The V2 Series Slip-On muffler features an aluminum body, TIG welded components, stainless steel inlet tube and a great new look. This Lightweight Slip-On weighs approximately 5.5 lbs.
The DG Performance systems offer increased throttle response, power and torque. Standard sound level is approximately 98 db. Equipped with a US Forestry approved spark arrestor.
DG Performance exhausts help your engine breathe better, resulting in increased throttle response, power and torque.
The V2 Series Slip-On muffler features:
- Lightweight aluminum body
- Stainless steel inlet tube
- TIG welded components
- Great new look
Standard sound level is approximately 98 db and quiet core inserts are available separately.
This Lightweight Slip-On weighs approximately 5.5 lbs and bolts directly to the stock headpipe.
It is equipped with a US Forest Service-approved spark arrestor.
Small install marks from the hardware mounting points. No other marks or scuffs, only installed, never ran. Not in original packaging, all hardware included.
- Features lightweight stainless steel and aluminum construction
- Designed to increase horsepower and torque
- Bolts directly to the stock headpipe
- Uses a U.S.F.S. certified spark arrestor.
- DG offers 4 different Quiet Core Inserts to reduce exhaust sound.
- Lightweight at approximately 5.5 lb.
The V2 Series Slip-On muffler features an aluminum body, TIG welded components, stainless steel inlet tube and a great new look. This Lightweight Slip-On weighs approximately 5.5 lbs.
The DG Performance systems offer increased throttle response, power and torque. Standard sound level is approximately 98 db. Equipped with a US Forestry approved spark arrestor.
The DG RST (Reduced Sound Technology) muffler is the quietest DG muffler and is designed especially for dual-sport machines (Just 89db @ 3200 RPM). A new baffle design dissipates sound waves reducing noise output in a very efficient manner. This new design also stretches out the time between muffler repacks. Included is a Stainless Steel mid-pipe, USFS Approved Spark Arrestor and a new Aluminum end cap.
You may want to consider a new exhaust gasket that goes between the header and the muffler.
The DG RST (Reduced Sound Technology) muffler is the quietest DG muffler and is designed especially for dual-sport machines (Just 84db @ 3200 RPM). A new baffle design dissipates sound waves reducing noise output in a very efficient manner. This new design also stretches out the time between muffler repacks. Included is a Stainless Steel mid-pipe, USFS Approved Spark Arrestor and a new Aluminum end cap.
The new DG RST (Reduced Sound Technology) muffler is the quietest DG muffler and is designed especially for dual-sport machines (Just 84db @ 3200 RPM). A new baffle design dissipates sound waves reducing noise output in a very efficient manner. This new design also stretches out the time between muffler repacks. Included is a Stainless Steel mid-pipe, USFS Approved Spark Arrestor and a new Aluminum end cap.
The new DG RST (Reduced Sound Technology) muffler is the quietest DG muffler and is designed especially for dual-sport machines (Just 89db @ 3200 RPM). A new baffle design dissipates sound waves reducing noise output in a very efficient manner. This new design also stretches out the time between muffler repacks. Included is a Stainless Steel mid-pipe, USFS Approved Spark Arrestor and a new Aluminum end cap.
You may want to consider a new exhaust gasket that goes between the header and the muffler.
Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel. Silencers include wire-meshed spark arrester that can be removed for closed-course racing. Optional end caps allow fine-tuning of power delivery for different types of riding and terrain.
- Mechanical silencer that comes with an internal perf-core surrounded by packing
- The T-5 Stainless Slip-On Silencer is designed for a rider looking for an inexpensive, easy-to-install, lightweight performance silencer that can bolt right onto their stock head pipe
- Aluminum muffler brackets
- Aluminum canister
- Stainless steel mid pipe and end-cap
- TIG welded
- Asymmetric muffler design
- Removable USFS approved spark arrestor and optional insert for closed course racing
- Slick look for the most compact 4-stroke exhaust on the market
- Large opening enhances flow
- Lightweight brushed aluminum body sheds pounds over stock exhaust
- Pillow packing is durable and efficient; protects body work from exhaust heat and soot
- Tunable for sound and performance
- Dyno-tuned Racing Series core provides added power and is interchangeable with Quiet Series
- U.S.F.S-approved spark arrestor
- Slick look for the most compact 4-stroke exhaust on the market
- Large opening enhances flow
- Lightweight brushed aluminum body sheds pounds over stock exhaust
- Pillow packing is durable and efficient; protects body work from exhaust heat and soot
- Tunable for sound and performance
- U.S.F.S-approved spark arrestor
Ultra-Light, Race Inspired Titanium Muffler
Available in slip-on/bolt-on and full system configurations depending on the application
- Titanium body
- Spring retained inlet
- 2.25" Spiral perforated core
- Billet CNC machined aluminum outlet
- Carbon fiber end cap
- Tunable for tone with P1 and P1-X insert options
- Stainless steel headers/mid-pipes where applicable
- Made in the USA
Like all of their products, Two Brother's Africa Twin slip-on exhaust system was developed to surpass what is offered on the market today. Engineered to compliment the quality and performance of Honda’s products, this handcrafted system delivers unparalleled sound and performance for the ultimate race experience.
- Teflon Coated Magnesium End-Cap
- Stamped Spring-Fit Inlet
- Aluminum CNC Machined outlet
- Rubber-Lined Styled Mount
- Spiral-Wound Perforated Core
- Unparalleled Sound
The Hi-Output Slip-on gives the bantamweight Monkey a heavyweight punch with a deep throaty growl and a beautiful stainless brushed finish.
- 3/4 System; Mid-pipes and muffler
- CNC Machined Billet end cap
- Laser engraved logo badge
- Laser-cut chassis cover
- 3 lbs lighter than stock
DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
Stainless steel can and carbon fiber end cap.
- Trapezoid-shape muffler
- Maximized internal volume
- Straight, single core baffle
- Low-volume sound insert capable
All Street Series systems are Slip-on / Bolt-on applications that do not require tampering with the vehicle's emissions control system.
The RS-2 is a potent and versatile design that evolved from their original TRC, engineered to provide increased power delivery. With a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core — and it offers the added bonus of outstanding performance in a value-priced package.
- Diamond-shaped sleeve
- Large core and increased muffler packing volume means quieter operation
- Stainless steel cone end-cap
- Stainless steel tail-pipe
- USFS Approved spark arrester included
- 6.8 lbs lighter than stock
We recommend Anti-Seize on exhaust fasteners
Yoshimura has paired their legendary RS-2 exhaust pipe with the Kawasaki KLR 650. The KLR 650 has literally been ridden around the world, and now with our fire-breathing RS-2 slip-on exhaust system, you can do it faster - and in style!
Assembly comes complete with:
- Stainless muffler sleeve
- Stainless steel mid-pipe
- All installation hardware
- Detailed instructions
- Trick, turn-down tip inserted in the endcap
- Dual stainless steel mounting brackets
- High-quality chrome steel exhaust springs with spring vibration dampers with the Yoshimura logo molded in
- Plastic end cap to plug the pipe during washing
- Super-trick spring pulling tool
Since Kawasaki brought back the popular little KLX250 with updated fuel injection, Yoshimura brought back an updated RS-2 slip-on that now incorporates an o2 sensor that accommodates the new fuel injection technology on the KLX. All of that with added power, torque and that distinct Yoshimura exhaust note.
Entire unit is proudly made in the good old US of A to boot!
- Diamond-shaped sleeve
- Large core and increased muffler packing volume means quieter operation
- Stainless steel cone end-cap
- Stainless steel tail-pipe
- 2.8 lbs. lighter over stock unit.
- Comes with USFS Approved Spark Arrestor
The product that you are purchasing is designed and intended for closed course competition use only and is labeled as such, i.e. Yoshimura "RACE SERIES." Yoshimura RACE SERIES products are neither designed nor intended for use on PUBLIC ROADS or LAND. Such use is prohibited by Federal and State regulations.
Yoshimura RS-3 that will slip right on to your stock header. Made by hand to the highest quality standards using the championship-winning racetrack experience and their extensive R&D facility ensure these pipes perform and will last.
Both full systems and slip-on mufflers include 96 dB sound insert/USFS approved spark arrestor installed in the muffler. Mid-pipe is stainless steel while the stainless RS-3 oval muffler design has a slim profile with an aluminum end cap.
Works on OEM header only!
- Oval muffler body with single turn-down polished aluminum end cap
- Maximized internal muffler volume for exhaust flow
- Straight, single-core baffle
- Can accept low-volume sound insert
- Large volume of packing material
- Straight baffle for ample flow
- Bolt-on design for easy installation
The Yoshimura RS-4 is a proven choice to improve the performance and sound of the Africa Twin.
Removing the stock muffler saves over 4 pounds and makes the 988cc parallel twin engine growl!
- Oval-ellipse shaped sleeve
- Yoshimura's Works Finish for increased durability & adventure friendly design
- Features an integrated inlet heat shield design for a seamless transition with the stock heat shield
- Dual-muffler design exhaust system
- Achieves maximum performance, mass centralization, and rider usability
- Systems feature three-stage tapered headpipe for the best power gains, better throttle response and power delivery
- Vertical divider splits the exhaust gases more evenly for smoother flow to the mufflers for better mid-top power and throttle response
- Parallelogram-shaped muffler bodies increase muffler volume over the stock system for even crisper throttle response and reduced noise levels
- Systems meet AMA noise sound regulations right out of the box (AMA 2-Meter Max and Amateur 94 dB sound compliant)
- Muffler inserts are tunable to adjust power delivery and noise level
The RS-2 is a potent and versatile design that evolved from our original TRC, engineered to provide increased power and power delivery. With a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core - and it offers the added bonus of outstanding performance in a value-priced package.
- Diamond-shaped Stainless steel sleeve for increased durability.
- Large core and increased muffler packing volume means quieter operation
- Stainless steel cone end-cap
- Stainless steel tail-pipe
- Weight: .39 lbs lighter than stock configuration
- USFS Approved spark arrester included
- Reduce exhaust sound by one to six decibels
- Options for DG V2 & RST and for the older "O" & "R" Series mufflers
- Easy installation; remove rear end cap and place Quiet Core in front of the spark arrestor
- Smaller diameter inserts are quieter but more restrictive; larger inserts are less restrictive but louder
- 1" Not recommended for RST
- Each size is sold separately
- Works with DG V2 & RST mufflers
This Quiet Insert comes stock in all new FMF Q4 mufflers. If you lost yours, this is the replacement you need.
It will fit Q4, Q4 Hex, Powercore and Powercore Hex mufflers.
It will reduce the sound rating of the Power Core models, from about 99db down to about 96db.
Please choose the correct Insert for your muffler. If you are unsure of the year that your muffler was manufactured you can easily identify visually which insert you will need.
Pre '21 | Installs using one small screw |
'21-Cur | Installs using a spiral retaining ring |