3. I dont think so. The need for a spark arrestor probably ranks #1 as the reason why you would upgrade to an aftermarket muffler. FREE delivery Feb 21 - 23 . Note: Only a member of this blog may post a comment. Someone looking for a smooth quiet ride probably wouldn't be happy in a 4X4 Turbo Diesel. Our titanium headers are completely TIG welded and shave off pounds when compared to stock OEM steel headers. If the glowing persists after this break in period, it is recommended to check your jetting as it is possible your carburetor is too lean. Unfortunately Pete, there are those among us who will cut off their nose to spite their face. You need to be a member in order to leave a comment. For the Best Selection of In-Stock MX, ATV & Motorcycle Performance Parts. Louder than the Q4. ). On a 2-stroke, the pipe has the biggest effect on what type of power the engine makes and when, the silencer is secondary to that. you just some 2 stroke packing(fmf sells it.$10), some masking tape, and some high temp silicone sealant. This page was generated at 1 minute ago. Using a Powercore or Powercore 2 silencer will give your bike increased throttle response, a lighter and higher quality silencer with that factory look and sound. Extremely loud when it needs to be repacked but that didn't bother us much. pro circuit spark arrester with fmf sst pipe? WHat R-factor works best or so forth. tight fit (yeah, I know."that's what she said"), I'm afraid I will not be able to get it out. Here's what you need to know about the project. Wibbs if I remember right yours is a Turbine Core, not the Turbine Core II. Here is how I added FMF spark arresort to my 950 Akrapovic pipes. 1.800.336.5437. Kawasaki MX & Off-Road Dirt Bikes. How do I find out what FMF offers for my Bike or ATV? Now my question. TW200 '87 - '24. Having less backpressure (louder), the more top end power youll have. Join Tomato Lovers & Participate in the Ukrainian Tribute Growout! Love this silencer great sound and plenty of power! Several companies sell new packing just make sure you get the 2 stroke packing and not 4 stroke. I couldn't even find any instructions on the, Here is a picture of the muffler, as you can see at the end cap there are only rivets, and inside the muffler there are no bolts of any sort. 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. All FMF 4-Stroke slip on's come with the Spark Arrestor Sound Insert included . Dirt Bike , ATV, UTVs Accessories. Don doesnt put in countless hours of R&D time and lost sleep into a product to not have it perform like the way he feels it should. Spark Arrestor. 98 DR650SE 22.5k miles, DG exhaust, weld glob ground, Bajaworx windshield, Shinko 244s, racks/bags, Renthal fat bars, 10w LED lights, LED headlight, hella horns, Mikuni TM 42-6, modded airbox, TwinAir filter, rebuilt shock, gold valve, TopGun spring 7 wt oil, racetec fork springs, 10 wt fluid, Cogent DDC. Removable spark arrestor included. It may not display this or other websites correctly. It needs a stamp because the drop in IS the spark arrestor, and the NFS requires it. Wasn't about to drop $650 for a slip on though.. Kind of ridiculous deal FMF made with KTM to only sell through . However, when potting the seedlings into Promix, they need less water than before. Why is my pipe louder now than when I first purchased it. Give us a call or chat. This video will teach you how to properly inset a spark arrestor into your existing FMF exhaust system. A two stroke running a little rich on the oil ratio will saturate the silencing media very quickly. Contact us: 800-969-7501; As low as 0% APR for 12 months with; Dennis Kirk Inc. Approximately 99db stock or about 94db with optional Quiet Insert installed. Whatever stroke youre riding, theres an FMF dirt bike exhaust option for you. No power loss. Our headers, whether it be the PowerBomb or the MegaBomb, are fitted to match an FMF series muffler. Removing the spark arrestor may have an effect on jetting. Generally youll see a 5%-20% increase over stock depending on your application, but like jetting there are many variables to contend with. There is nothing there to clean that can not be done with and aerosol type solvent of some type. Select Bike Model. by kdxinmt 01:35 pm Jul 11 2010, Post Keep this in mind. A spark arrestor is designed to trap any glowing sparks before they exit your tailpipe by acting as a filter. a rubber mallet id a must as well for breaking loose the old silicone. May 23, 2020 #5. spradley wrote: So I hadn't every really thought much about the spark arrestor until yesterday and I decided . I couldn't even find any instructions on the FMF site on how to remove or install the SA or quiet inserts that are offered for this bike. Pro Circuit also makes some slip-on type systems for the DR650. From NE Ohio to North Central Mississippi, everyone has their own ideas and preferences for what they will plant this year. FMF Factory-4.1 RCT Anodized Titanium Silencer with Carbon End Cap $517.99 . FACTORY 4.1 RCT 94db W/SPARK ARRESTOR INSERT 040639. The reason for this is because all of our canisters and mounting brackets are hand-made together and cannot be sold as individual items. Read All Reviews. Is normal that my Megabomb or Powerbomb glows bright red? Quick Links. If I buy your muffler now, can I get the header later and will they fit? $35.99 Part #: 436389 Mfg Part #: 040670 (1) Hex Q4 Quiet Core Spark Arrestor Insert - 040671 FMF. This was once called our Torque pipe, but it did not include the thicker steel construction. FMF support vehicles are always on the move. Our Hi-Flo header is an upgrade to your stock header. Unfasten the Allen screws with an Allen wrench and slide the spark arrestor out of the muffler tailpipe. All of our testing is done around one of our FMF pipes, but we do build them so that they will fit up to and work with a stock OEM pipe. We arent setup to fix pipes here at FMF. Notify Me. Sign up to receive the latest news and deals from FMF Racing. In Stock. If you're really looking for that factory silencer,there's our Titanium 2 silencer. $39.99. Your muffler is most likely a Q4, but might be a 4.1 which is straight through. Does fmf sell repack kits? FMF Hex Q4 Replacement Spark Arrestor Screen $35.99 $39.99 You save 10% . FMF Factory-4.1 RCT Aluminum Silencer with Carbon End Cap, FMF Factory-4.1 RCT Anodized Titanium Silencer with Carbon End Cap, FMF Factory 4.1 RCT Spark Arrestor Insert, FMF Factory-4.1 RCT Aluminum System With Carbon End Cap, FMF Power Core 4 Hex Replacement Spark Arrestor Screen, FMF Titanium Heat Shield for Megabomb Header, FMF Factory-4.1 RCT Anodized System With Carbon End Cap, FMF Factory-4.1 RCT Anodized Titanium Silencer with Titanium End Cap, FMF Factory-4.1 RCT Aluminum Silencer with Stainless Steel End Cap, FMF Mini Factory-4.1 RCT Aluminum Silencer with Stainless Steel End Cap, FMF Titanium SX Style Megabomb Header/Mid Pipe, FMF Hex Q4 Replacement Spark Arrestor Screen, FMF Power Core IV Modular Quiet Core Insert, FMF Factory 4.1 RCT 94db Spark Arrestor Insert. . So I'm turning to you guys to help me and the next "Kook" out on how to install and remove the SA. I got it cleaned out pretty good with a wire brush and aerosol cleaner as suggested. Only 4 left in stock - order soon. Tried red loctite on the bolt . Both the Hi-Flo and Powerbomb headers increase power throughout the entire power band. Exhaust Accessories. Only 9 left in stock - order soon. Don't be fooled by larger diameter headers increasing power everywhere. (c) A spark arrester is a device constructed of nonflammable materials specifically for the purpose of removing and retaining carbon and other flammable particles over 0.0232 of an inch in size from the exhaust flow of an internal combustion engine or which is qualified and rated by the United States Forest Service. In some cases the SST model pipes will only work with the SST model silencers. There are a lot of options for packing but FMF is a name I can trust and offers a quality product at a decent price. There is a smallcircumferentialrib about 1" down from the tip of the muffler, the rib is maybe 1/8" smaller diameter that the rest of the muffler inner pipe. 79 97. This is our quietest silencer offered. I would remove that spark arrestor and replace the air filter cage with a 2018 2 stroke cage that doesn't have a backfire screen. My owner's manual recommends periodic removal of the round plate on the end of the exhaust and a brushing to clean the spark arrestor of carbon. Universal Application Free, easy-to-get money that youcan spend on future orders. Read through the information we have available for both pipes and silencers to get a pretty detailed picture in your head on how each of our products are making power and how they all interrelate. DavidAlejandro7. We do check to make sure that the stock OEM silencer will fit up to our pipes. This one is a turbinecore 2, not powercore, so it has a back section with a spark arrestor riveted in, so hte forest service knows no one has tampered with it. With a loss of backpressure at the exhaust port you will lose low end power in order to gain top end. $39.99 Sold Out Notify Me No Color. Remove the top 10mm muffler bolt and . If you need anything else let me know. So this was absolutely perfect. It comes fitted with a USFS approved spark arrestor. It don't work that great, least it did not last very long when I tried it. You cannot add a spark arrestor screen to any existing 2-stroke silencer. Yellow Pages Directory of Spark Arrestor, Spark Arrestor manufacturers, Traders, and Spark Arrestor, Spark Arrestor Suppliers & Dealers in Kochi, India. 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. It was totally ruined. 1. Prices are subject to change without notice. So why do it? Its this attitude where you respect other uses that makes a difference not whether or not my pipe reads at 94 db as opposed to 98db. Free shipping. I would first ask that question to the person/company that performed the motor work. There is a spark arrestor insert that was included, but the previous owner only ran on tracks and did not ever need or install the spark arrestor insert. 2023 ft. RotoMoto, Christian Craig talks his biggest 450 struggles and what makes Cooper Webb so good | PulpMX Show 535, Jeremy Martin thinks practice tracks are Too Groomed, will practice in bad conditions | PulpMX Show, Phil Nicoletti Talks Wrist Injury and What It Was Like Going to Oakland Hospital After Supercross, I Would Love To Race All Year | Colt Nichols on the SML Show, PulpMX Show 535 Christian Craig, Jeremy Martin & Phil Nicoletti w/ Ryan Lockhart (Newf) in studio, Weege Show: Arlington SX and Why We Go Riding, Arlington PulpMX Fantasy Preview & Strategy | Before You Pick! Glad to see that worked out for you! This spark arrestor comes with a kit of hardware including a mounting bracket, spacers, stinger tube, and stainless steel mounting strap that paves the way for the garage mechanic to fit the unit onto their machine. The deadline for sending in seeds was October 15th, but there are still plenty of ways to get involved. As for the spark arrestor: Some riding areas have a ranger kiosk at the entrance where they check all the bikes coming in. Do dents in a pipe make a big difference in power, and can you fix them? If you have any questions that cannot be answered through our website, please call our dedicatedstaff members here at FMF Racing 310-631-4363 from 8am to 5pm Western time. cleaning the spark arrestor on FMF Core Turbine II Pipe. However some systems can benefit from jetting changes in fact with some two strokes it may be required to prevent engine damage. For outdoor high-speed tracks, this works awesome. The science behind the Megabomb header may be our greatest engineering accomplishment to date. These items can be found byCLICKING HERE. The Powercore 4 spark arrestor muffler. STRP MNT W/RUBBER SLEEVE - PCORE 4, Q, Q2 040197, LONG STRP MNT W/RUBBER SLEEVE - PCORE 4, Q, Q2 040198, FREE SHIPPING ON ORDERS OVER $75 (Continental USA Only). Get Ready for a New Season of Gardening -Choose from Tomatoes, Peaches, Corn, Zinnias & More! Make sure your silencer/muffler has been re-packed lately and properly. #EE40-212 Fits: `18-21 KTM 85 SX The Powercore 4 spark arrestor muffler. Louder than the Q4. By Canister shape and size is lighter and more performance-optimizing. If your apparel doesn't fit right, you'll get FREE SHIPPING on the first exchange! This also has a Forestry Approved Spark Arrestor. FMF sells replacement packing for all of our systems. Do I need to use my stock OEM exhaust clamp with my FMF muffler? With four strokes you want to use a high quality media with a High temperature rating. December 4, 2013 in WR250F/YZ250F/YZ250FX. Always a good option for a spark arrestor. Check your local shops to see what distributors carry FMF Racing products in your country. by skythrasher 06:02 pm Jul 11 2010, Post Thats my 2 cents worth. Personally I'd ride it first just for grins then remove it to see if you can honestly tell a difference. Other aftermarket motor parts may affect these specs; you would need to contact the manufacture in question fortheir jetting specs as necessary. Highest quality packing for long life. Nothing short of the utilization of plastic . Joined: Nov 8, 2012. The Q-Stealth is living proof FMF is the only exhaust company committed to bringing new technology to the 2-stroke enthusiast. Bombsatb Adventurer. Pro Moto Billet Spark Arrestor End Cap - Fits: Yamaha YZ250F 2014-2019. Availability In Stock: Ships in 3-5 business days. Shine some light on the subject and you'll see what I am talking about. spark arrestors, aluminum pipe guards, silencer packing and more. More performance? Our spark arrestor screens are United States Forest Service (USFS) Approved for forest or off-road riding. by tmx 08:40 am Jul 18 2010, Powered by phpBB Forum Software phpBB Limited. FACTORY 4.1 RCT SPARK ARRESTOR INSERT 040638. Discussion in 'Equipment' started by Bombsatb, Jan 19, 2016. 21 products. Fitment. 4.4 out of 5 stars 8. My two stroke passes with a fair margin with an FMF turbine core II silencer. I run a pair of Q4 mufflers. When the spark arrestor screens are not required such as at the MX track simply remove two machine screws on each end cap and take out the screens, it's as simple as that. Locate the Allen screws inside the lip of the tailpipe on the FMF muffler that secures the FMF Q2 spark arrestor to the muffler. Depending on what model silencer you run with the stock pipe will determine how they work. For those of you wondering, FMF stands for Flying Machine Factory. Part of what makes FMF so unique and affordable is their modularity; you can buy what you need and save on what you dont. It's that time of year again when gardeners all over the world are planning what to grow in their gardens. The spark arrestor is held in place with a 4mm Allen head bolt that can be easily removed to go between off-road and closed-course riding and racing. Shop FMF @ https://www.mxstore.com.au/brand/fmf/?nview=noneWatch this short video to learn how to insert a spark plug arrestor into your FMF exhaust system!-. Heard great things about the FMF slip on. Learn More, Order Status / Track OrderSign in not required. We have the best prices on dirt bike, atv and motorcycle parts, apparel and accessories and offer excellent customer service. The core of the muffler can be removed by taking out allen bolts. Don't let the lower price fool you into thinking they won't perform as well as the titanium versions though. 9. On their 2smoke silencers, the pipe end is where you take the screws out. Weve been around long enough, that you can trust that any time you install an FMF exhaust product, you will definitely FEEL THE POWER . Dear MXA, I never noticed that there was a wire screen inside the muffler on my KTM 350SXF until I looked into it with a . . Fits: See fitment tab above. There are a set of allen head screws at the base, but I believe this is only for repacking the muffler. Your muffler is most likely a Q4, but might be a 4.1 which is straight through. This also has a Forestry Approved Spark Arrestor. We offer many different exhausts that will address your needs. Every morning is the dawn of a new error. 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. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well . Use what the FMF Factory teams use! Some KTMs slip-ons do not allow for an additional header to be added. P-CORE 4 HEX S/A INSERT 040670. Perfect application for adapting a performance spark arrestor to older bikes Comes with a kit of hardware including a mounting bracket, spacers, shaped stinger tube, . I not have taken mine apart, never had a reason. Location: West of the West, Oregon. It is equipped with a US Forest Service-approved spark arrestor. Can I add a Spark Arrestor to my existing 2-Stroke silencer? Learn More, Order Status / Track OrderSign in not required. Also your system performs best and will last longer when the silencer is properly maintained. A spray down with brake cleaner or carb cleaner would probably do the trick to remove any spooge. Highest quality packing for long life. FMF Racing does not ship anything overseas to retail customers. Sign up to receive the latest news and deals from FMF Racing. by kdxinmt 04:25 pm Jul 15 2010, Post Depending on what type of riding you are doing, we offer a wide variety of set ups. These are modeled identical to the titanium headers and use the same CNC benders to insure proper fit every time. Or fastest delivery Feb 16 - 21 . I pulled out the first section of packing out. 2023 ft. RotoMoto, Zach Osborne doesnt like Probation Penalties in Supercross, They Can Rub Me But I Cant Rub Back, Eli Tomac Explains His Line Choices on Oaklands Very Technical 2023 Supercross Track. Sparks can form from the engine's exhaust and settle far away from where you are working, sparking a fire. Don't touch the part that has the turbine in it. 95. When it comes to . Many customers do just the slip on muffler, and re-use the stock header, but you can also add an FMF PowerBomb or MegaBomb header if you so desire. Awesome! It looks like a flat split key-ring. by 01twostrokingfun 06:29 pm Jul 15 2010, Post This isn't something you'll have to take on and off, as all of our 2-stroke Spark Arrested silencers have the "Turbine-Dampening System' built into the core. I did absolutely nothing today..and it was everything I had hoped it would be! Using the proven design of the FMF Turbine Core Spark Arrestor is made specifically for those machines that do not have a bolt on application. The Universal is also perfect for the older vintage machines in need of a legal spark arrestor. There is a circlip you have to remove to get the spark arrestor out. $269.99 $ 269. Jun 22, 2015 Oddometer: 428 Location: Jackson , CA. Spark arrestors are a good thing. If you get lost and start a fire pray they'll never find you. FACTORY 4.1 RCT 94db W/SPARK ARRESTOR INSERT 040639, 2016 KTM FACTORY 4.1 RCT QUIET INSERT 1-1/2 SPARK ARRESTOR 040678, HEX Q4/F4.1 RCT QUIET CORE S/A INSERT 040688, ULTRA QUIET F4.1 RCT QUIET CORE S/A INSERT 040689, YAM YZ250F'14-18/450F'14-17 CARBON HEAT SHIELDS-SET 040674, YAM YZ250F'19-22/WR250F'20/YZ250FX'20-22/YZ450F'18-22/WR450F'19-20/YZ450FX'19 LFT CRBN HEAT SHIELD 040684, SHORT STRP MNT W/RUBBER SLEEVE - PCORE 4, Q, Q2 040196, MED. How do FMF silencers work with a stock pipe? a rubber mallet id a must as well for breaking loose the old silicone. More backpressure (quieter), the more bottom end power youll have. If you get lost and start a fire pray they'll never find you. Universal Q4 Slash-Cut Exhaust End Cap by FMF Racing. Easily serviced - just remove 2 bolts; Made in the U.S.A. Learn More. Stainless Steel Q4 Hex Replacement Rear Cone Cap - 040676 FMF. A spark arrestor is a metal screen that goes in the tailpipe of your dirt bike and would keep any sparks from flying out the back of the tailpipe and lighting a wildfire. Shop for Exhaust, like FMF Factory 4.1 RCT Spark Arrestor Insert at Rocky Mountain ATV/MC. I haven't heard about this feature with the newer bikes like my GSA. Even carbon build-up over time will effect how it works. Serious question as I have the same fmf on my 525. A spark arrestor removal and subsequent removal of the spark arrestor may be an easy way to improve saw performance, but removing it and leaving it off in dry woodlands is a dangerous practice. What does each 4-stroke header do: PowerBomb, MegaBomb and Hi-Flo? joeprunc, FMF Spark Arrestor Insert - 4.1 RCT | 040638. $5.69. 3.0 out of 5 stars 3. Trail Rider. More packing volume-longer time between repacks. You wouldnt worry about that back section? First, make sure your seeds are dry before sending them in. The racer-borne, rider-run company knows what it takes to make your bike fly, and their exhaust systems and products are made from the highest-quality parts with an intense attention to detail, incredible level of craftsmanship, and high standard of performance. This pipe will appeal to most people that are happy with the stock power band and just looking for more useable power everywhere. 4.8 out of 5 stars 7. The M7 V.A.L.E. We Ship Today! Get it Jan 19 - 25. To give our customers the best shopping experience, our website uses cookies. What combo of pipe and silencer works best on my bike? AMA and FIM enduro legal. We have a lot of customers calling into ask why we do not offer the outter shell or mounting bracket to our canisters. USFS approved. The Powerbomb chamber has two functions. A properly serviced spark arrestor will not affect nor degrade the performance of your quad. My FMF didnt affect my jetting or . . They help prevent fires. There is a small. Designed with our PTF (Precision Taper Fit) for easy installation and removal. Removal 8. Remove ads, support ADV. Product # 040638. 2000 KX65 Spark Arrestor. Work around until the whole clip pops in, and is secure between the back of the SA and lip on your silencer. Our Gnarly pipes have been developed and tested for the off-roader in mind. Location: Research Triangle, NC. . Shine a light down the end of the muffler and you will see there is a round spiral clip that is in there holding the insert in, just use a screwdriver and work the clip around until pops out then use some pliers and give the insert a yank and it will pop out. If you don't have a spark arrestor they don't let the bike in. Here is a picture of the spark arrestor that was included, the only thing that is not fixed is the largest ring. Highest quality packing for long life. The newest addition to the line is the SST pipe. Quiet on the trail as well as on the sound meter. Is it just for a different exhaust note? Thanks, and if you have any other advice, please share. Also you should not allow water to enter the silencer outlet while washing your bike or ATV. Enter keyword or part # Login/Register. I have a TE630 with a FMF 4.1 exhaust. Also when a test is being performed, make sure you've got the transmission in neutral, with the clutch pulled in, this will also keep some of the noise down. Free delivery for many products! Lets start with the exhaust, full race exhaust systems put out a lot of sound because they're smaller to save weight therefore they don't have a lot of packing material inside to help absorb the sound waves. Check in the back of any MX magazine for info. Removable spark arrestor included. Spark arresters for steam locomotives may be internal (in the form of wire mesh inside the smokebox) or external.The earliest platforms for spark arresters in the United States were steam locomotives.Wood- and coal-burning locomotives produce embers which are readily transported by the wind. I dont know any other way but to drill out and replace rivets every time. Log in or Join. To give our customers the best shopping experience, our website uses cookies. I repacked my powercore 2 and it was VERY simple. Does an FMF exhaust add power? Proudly made in USA. Just bought a new muffler and was wondering if anyone can confirm that you pull apart the pipe from the bottom end (where there are allen key bolts) and pull the insides out or do you have to drill out rivets at cap to remove end cap? For the most part, yes. $36.18. No need to drill the rivets out and remove the "turbine" spark arrestor unless it needs goo cleaned out of it. Show details. Screen arrestors come in different ratings depending on how . Introducing the newest USFS approved spark arrester specifically designed for the RS-12 muffler. But the muffler was still completely together after they took the insert out, and continued with the repacking video. P-CORE 4 HEX S/A INSERT 040670. exhaust comes with a removable USFS-approved spark arrester. Gains will be similar to our Shorty. This item: FMF Racing 40670 Spark Arrestor Insert. click here. High performance silencers are made with performance and light weight as the prime objectives so one of the trade offs is having to maintain the silencing media or packing from time to time. 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. Biggest risk to the hobby is noise pollution. Post Availability: In stock Ships: Worldwide. There are a few things you can do to decrease the amount of sound your bike/ATV is putting out. http://www.fmfracing.com/Content/Instructions/000988.pdf, I realized the clip is on the wrong side.here is a quick write up on how I put in the spark arrestor, (disclaimer: my spark arrestor is an older design, but I believe the newer designs should work very close to the same way). Free, easy-to-get money that youcan spend on future orders. V2 Slip-on ('03 - '24) . We offer end cap kits, decals, inserts and aluminum inlet sleeves. Can be done though. rib about 1" down from the tip of the muffler, the rib is maybe 1/8" smaller diameter that the rest of the muffler inner pipe. Seems like I have read about some guys going down to the local Home Depot or Loews and buying home insulation to use for repacking but I have never seen what type to use? Hi. Bloody noisy dirtbikers! The turbine part of the exhaust has packing wrapped around it. by 01twostrokingfun 05:58 pm Jul 15 2010, Post Many things. Bombsatb, Jan 19, 2016 #1. I removed the three hex head screws on the back of the circular plate and it is as though the plate were welded on. $44.99 . We do not recommend or guarantee you try to match it to a stock muffler. SuperTrapp makes the tuneable IDS2 muffler with quiet and race cores for the DR650. Thats my 2 cents worth. 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. Sold Out. Louder than the Q4. Having that said, you can pick and choose the type of gains you're looking for and the features that best suit you, rather then us pre-determining them for you like other companies do. It seems to be some kind of press fit design. A Dedicated Suzuki DR650 forum for DR650 riders to share their knowledge, experience and adventures! Sign in or create an account to get RM cash on orders and open more site features. We do it the same reason why Ford makes so many different types of cars and trucks. This expansion and contraction actually speeds up the exhaust through the header. OK, I will jump in. The Q-Stealth is living proof FMF is the only exhaust company committed to bringing new technology to the 2-stroke enthusiast. Periodically check the spark arrestor screen for obstructions. What model is your muffler? If sound is a concern make sure you have the appropriate muffler installed on your machine. The MegaBomb header is revolved around our Supercross/Motocross riders and racers. I currently run a Pro-Circuit pipe and shorty silencer but will be needing to run a spark arrestor on the local state trails. Make sure Spark Arrestor doesn't come out. This pipe offers a new power band that wasnt available in the past, with its new technologies. FMF Factory 4.1 4c Replacement Spark Arrestor Universal 040261 - Hillery Motorsports. Thanks, I sent a PM, if I don't get a response in the next few days I'll give FMF a call. I have a turbinecore 2 spark arrested silencer for my 125, and it leaks oil bad.
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