Bills pipes vs fmf. I ran both on my 87 & the 03 is so much better.
Bills pipes vs fmf 1 RCT - Titanium/Carbon. If the track is nasty, muddy Not only do these aftermarket pipes make the Kawasaki KLX110 sound better, but they also look great too. 99 Unit price / per . 99 From $ FMF Factory 4. Ive ridden a cr125 with the pro circuit and I personally had the fmf fatty on mine. Material: Carbon steel; Includes: Header O-rings; Weight: 5. I like the platinum look much better. 1 on our KTM 250sxf 270 big bore kit. 6 fmf ] the fmf and yoshi are 1500 the are carbon fiber while the bills is ss and carbon fiber end caps. Jetting When the time comes to replace that smashed pipe, FMF’s most popular exhaust pipe is the Fatty. I Run a PC, but Bill's pipes, and Doma are sweet. 2025 mxa 450 shootout video ; ten years ago today! john basher’s yamaha yz125 love story ; we ride dubach racing’s 2024 yamaha yz85 ; mxa race test: the real test of the 2025 Mar 31, 2020 · Everything you need to know about the FMF Factory 4. i had aj modify a stock cr500 silencer to fit my af. Theyre factory looking hand welded pipes they sell to the public look awesome. 1 silencer is new technology Jun 25, 2013 · Mine is fmf. As for Feb 20, 2015 · Bills told me they’d tested agains fmf, hgs and pro Circuit and their pipe outperformed them all throughout the entire rev range. they are REAL race pipes. Apr 23, 2015 · Now Bill has partnered with the new owners of Big Gun and has been working hard to rebuild the Bill’s Pipes brand. Doesn't matter if its stock vs fmf vs pc vs bills etc. I do not have any experience with either and was wondering if they are worth running over my usual FMF factory fatty/shorty combo? Thank you. They ended up with a pipe that is flat on the bottom and midrange and hits all at once on the top end. and the feel of the PC on the TRACK is superior. If you judged all the pipes vs the oem pipe on all conditions, rpms, rider abilities, the oem on the track wont rank best in any category but will always be top 3. 40 over stock got an aggressive port and polish with boost ports drilled, and put a boost bottle on with FMF torque reeds, and i had my carbs synchronized. 1 Mini (slip-on) | 19+ CRF125F From $269. Jul 30, 2024 · Josh Hanson’s Straight Rhythm CR250 with a Bill’s pipe . I got it cheap off e-bay, it runs OK but??? I perfer the FMF 4. and a honda pipe is a expensive Oct 29, 2019 · I trust the EU guys a bit more since they are always developing better pipes and cone pipes (JVS/DRP/PPS) but they come at a huge cost in price and power range selection. PIPES: Stock/SRT - Bills - PC - FMF Fatty - anything else -Gnarly SILENCERS: will depend on S/A requirements 1 1 Link to comment Share on other sites. The FMF Gnarly pipe is designed for the off-roader looking for a tough system. vitalmx. The stages are dependent on where and how you ride or track conditions. My personal favorite is the fmf sst pipemost people don't like fmf but the sst has great low & mid & revs out hard. i also know last year aj modified a stock cr500 pipe to fit his af. Currently it has a FMF Gnarly, with powercore 2 silencer, the power comes on fast, but seems like drops off on top, which Apr 2, 2022 · Testing the very first prototype bills pipe for 2022 crf250rCheck back soon for a full breakdown of this bike build and test Dec 12, 2008 · i dont know how the pc compares to the fmf but i can tell u that my son ended up going with the fmf and tells me that it really lit that thing up everywhere. If you want to wake the bike up, get a 38mm carb, and an ESR Trx-5 pipe. Edited October 26, 2019 by Mayo513 Jan 3, 2017 · The FMF Factory Fatty pipe has been a staple of FMF’s two-stroke line for many years, and FMF has pipes and silencers that fit 2005 to 2018 YZ125s. good luck! Jul 3, 2019 · I have a 2022 and wouldn't mind a bit more over rev without loosing bottom end. Green wrote:I just put a FMF Rev Pipe AKA Desert Pipe on my KDX 200. very similar to the HGS, DEP. 2 Pro circuit vs FMF vs Yoshimura Theme . Jun 1, 2009 · pipes = Pro Circuit, Bills pipe FMF pipe fatty gold. Gives a wider spread. Testing Bills RE13 vs FMF full ti factory 4. I have never ran any of the esr pipes so I don't know how they stack up. Their shorty pipe is fantastic as well and sounds incredible. be/lJ2tY82obV4 https://youtu. Just wondering how the power delivery is on the Bills pipe? I plan to run the stocker for now as it's very good. I had it bored . If the track is nasty, muddy and slick. I had a Pro Circuit Works pipe on my YZ250 and it was quite nice. Sep 19, 2005 · bills pipes are great pipes they just dont have the big name like toomey and fmf they were the shit back in the early 80's and all that and still are today just nobody runs them cuz well they dont have the name thats out there and there cheap compared to other companys pipes for the banshee ive run them and i think there badass better then toomeys in my opinion Aug 9, 2013 · About 2 months ago I traded for 1997 CR500. . That should get you very close to the 04 450. Nov 12, 2008 · look, im not going to argue, we have the same bikes, same parts that we get at a discount from the same shop, same year cr 250's. BBR Exhaust Wash Plug Bill's Pipes MX-2 Big Bore Exhaust System - CRF50 Aug 3, 2014 · The pipes all dont do huge things in the hp department. I always have to bend them to fit and they chew up easy. on a cumulative average the oem would win. The r304 is smaller in diameter as you said. Feb 11, 2022 · What do 4 different pipes do for power on the 2016-2022 KTM, Gas Gas, Husky 250f's? Let's see in this videoBuy some tshirts and support more testing just lik Mar 29, 2022 · Just picked up a brand new 2022 yz250. be/kq7L-HjZI5A https://youtu. A given is the reeds. paul turner mids would be a great pipe for you also. Jun 1, 2023 · With the FMF pipe and silencer, the TC250 dyno curve was smoother, without any dips or surges. Bills pipes. The Factory Fatty pipe looks similar to the old factory cone pipes with the bare metal being left exposed and the Jul 6, 2015 · V force is the way to go. Apr 15, 2020 · I rode a buddies 98 cr-"300" and it had a bills pipe on it. Apr 26, 2005 · The GYTR system uses a special end cap and the Bills pipe has a completely redesigned core for their quiet pipe. In short, the expansion chamber creates a pump, by using the momentum and pressure of the exhaust gases, and squeezes more air and fuel into the cylinder during the intake stroke. com; FMF RACING GOLD SERIES GNARLY HEAVY DUDY PIPE. Yz125 pipe and silencer - Moto-Related - Motocross Forums / Message Boards - Vital MX May 30, 2012 · pipes = Pro Circuit, Bills pipe, FMF pipe. 1 W megabomb. #motocross The Yamaha YZ450F was all-new in 2023, it stayed the same for 2024 and has some minor updates on the 2025 model. Jun 13, 2005 · Bills or PC, FMF's crap IMO. Bill's pipes make very usable power too. First with the oem ktm pipe and silencer vs scalvini pipe and carbon fi Mar 4, 2006 · Dark Mode; Light Mode; menu Log in In addition to the best-performing exhaust pipe, we’ll also take a look at the best-sounding exhaust pipe, as well as which one is the best bang for your buck. Oct 23, 2019 · The differences between the stock pipe vs the FMF Fatty/Shorty pipe is that the FMF pipe hits stronger coming out of corners, but on the other hand the stock pipe is a little bit more linear coming out of corners. Included was a bills “cone” pipe and HGS silencer. I have an fmf, and a stocker on my crusty old cr's. I'm not a fan of FMF pipes on 250r's. it is quieter than stock and results from vital mx shootout. 5mm and running good fuel will add to your bottom end. be/bM5Mpa6dfNshttps://youtu. (2) Construction. Aug 26, 2014 · FMF fatty plated & Factory Fatty (yes they ran different) Bill's YZ hard parts (I think was a Bills) HGS DEP Stock We didn't actually run the Doma as they were not being brought in for awhile but a friend did and loved them. 99; First Impressions. It makes slightly more power overall than stock, with a crisper throttle response, and a durable and shiny nickel-plated finish, all at a fairly affordable Failure to properly remap the fuel system can/will result in major engine and exhaust malfunctions, for which Bill’s Pipes disclaims all warranties. The Powercore 2. Visually, it's a work of art. Kind of surprised me, because I have a hard time believing no one else would want to know this info. The White Bros E2 system is the easiest with their one bolt method. The PC pipe hit alot harder in the low mid and pulled harder into the topend. I would like to get your feedback from you on your opinions. Pro circuit thought they could out smart the factory by putting a hook / bend in the first few inches of the header area. Silencers = FMF power core 2, PC T304 shorty, PC T304 w/ spark arrestor. so yes, our bike are nearly identical. Great dune and trail pipe. I need slip on for enduro/hare scramble racing that will pass sound check and has spark arrestor without losing power. 99 (Fatty pipe), $129. Oct 6, 2014 · The FMF pipe has a 1600 rpm range above 44 horsepower. 50): Bill's offers its exhaust in two finishes: standard bare metal or nickel-plated. 2002 KX500 project bike. I've had good luck running their pipes on other bikes so just wondering Aug 9, 2010 · Has anyone had experience with the HGS pipes? Varner will be building my son a KX supermini and I was curious about the HGS pipes on the KX. Jul 13, 2017 · FMF vs Pro circuit. Its different. I don't think I'd put an exhaust on a four stroke with how little they offer in terms of performance vs cost. There is a custom built FMF Gnarly pipe Jan 22, 2006 · This shootout was taken from dirtrider. Apr 28, 2016 · Could peiple leave there suggestions on the best pipe and silencer combo. The Works pipe and R304 Shorty silencer was tested on a recent Racer X Garage Build Husqvarna TC250 that I had the chance to ride. He is a two-stroke specialist and is no doubt enjoying the resurge in popularity among the new generation of riders. Another friend races 30+ and runs Bills exhaust on his YZ250F It seems to be a great setup and ran clean on the stock ECU when I rode his bike. [54. Sep 28, 2022 · #adv #advrider #dualsport #crf450RL #supermoto #sumo Welcome goons and gals to the exhaust pipe shootout of 2022 between the FMF 4 in 1, the Yosh RS4, and t Jun 30, 2021 · Generally, I will say I did not notice much difference between any of the pipes. Bills suffers from marketing problems as Bills is a hard name to market and SEO tag. 25 inch of the fmf shorty if I remember. Sep 8, 2013 · I had a bills full system before my toomey. Apr 6, 2023 · I have been testing quite a few pipes/silencers for the 2023 KTM 250/300 as of late (FMF, Bills) and the Pro Circuit system is the latest that I have tried. According to this review the fmf is the dud and pc is the best pipe lol. 36 HP - 33. The FMF set up doesn’t provide more over-rev over stock, but you will notice a healthier second May 19, 2019 · These 2 pieces of the X puzzle are part of its more "mellow" setup, your mods make it more YZ-like and directly affect flow characteristics So yes, try any of the YZ pipes at that point. As for the sound, they sound almost identical. I have done some research on pipe choices for the bike and was wanting to get some opinions on choice of pipe from guys on E2S. Also Bills Pipes, and DEP. If I was to buy an US made it would be Bill's. 99 $279. Oct 26, 2019 · On my Husky 250, it's an amazing combination and much more powerful than the fmf gnarly. Also the sound is different too. com or (310) 631-4363. Jul 21, 2015 · Getting my 300sx bolt on sometime this week. I'm curious how the bill's pipe runs doesn't seem to be many reviews out there. The SST revved higher, but the PC pipe allowed me to open the throttle and go, the SST was a hardpack type power. for a good dune pipe or a 4 mill engine run cpi, or shearer in frames. 99 From $269. My understanding is the performance of the X pipe is similar to the standard YZ pipe but is tucked in tighter. fmfracing. DMC 916 is a good pipe but they are a higher revving pipe, and hard to get now. Bottom end had a cleaner feeling down low as the stock YZ250 does feel slightly rich on low rpm situations. 7 Nov 26, 2018 · I had a Scalvini on my 200, loved it, had one for my 250, never ran it. 1 RCT was one of the systems in our test we had the most experience with as we actually rode with it on both our '17 and '18 CRF450R test bikes. d. The Pro Circuit is a little more crackly. Aug 3, 2014 · Dr. I know kpr racing has mentioned the pc pipe is a dud for this bike and thay fmf is the better choice. 99; Contact: www. 38—just over 1 horsepower stronger than stock. The were good on my Shee, but the blasty was not very impressive. b Jun 14, 2021 · The 2-stroke exhaust system uses an expansion chamber - the prominent bulge in the exhaust pipe - to increase the engine's horsepower. Does anybody have experience with a Fatty vs an SST? Jan 30, 2002 · i have maxxis razr's on the stock rear wheels, k&n air filter, aktive reeds, fmf fatty pipe and power core 2 silencer, gonna have it ported sometime next week, already have the heads milled, tag metals handlebars, flipped the front rims, vitos degree key, rear wheel spacers, 29mm carb, wiseco piston (. Bill's Pipes RE 13 Exhaust - CRF125 From $489. It is constructed from carbon steel with a nickel-plated finish to provide increased durability. My bike is a 2004 rm 125. I know the FMF fatty either factory or nickel finish is a very good match to the standard YZ pipe performance with a fraction more everywhere. I'm sure Bills Pipes are about the same as the PC Oct 3, 2021 · FMF Factory Pipe/Powercore 2 Silencer: After installing the FMF Factory Fatty Pipe and Powercore 2 there was some noticeable changes to the YZ’s power character. Dyno testing the horsepower of a KTM300 with stock pipe and bills pipe, ecu info inside Jun 12, 2019 · Right now I have a fmf sst pipe and it made the power super smooth, before we had a fmf fatty I'm thinking about going to a bills pipe does anyone know if they're any better. I'm not a fan of shorty pipes on the rm250 at all. I used high temp silicone at the time figuring it would be best. Feb 20, 2020 · New OEM pipe for your X is $260. Not fun getting Feb 24, 2009 · 2003 Two-Stroke Exhaust Shootout - Dirt Rider Magazine. Strong pipe with a rough finish but as hard as a womens heart. be/Jzfkxdxw_0M https://youtu. I started this discussion for discussing different pipes for the Beta 250rr's only. I did see a dyno chart showing about 1. Bill’s unplated, works-style, MX2 two-stroke pipe is made Jan 16, 2018 · i bought the bills dual exhaust i found the pipe at sierra nevada motorsports for under 700. 8 yoshi] [ 55. If you are looking for every ounce of power to squeeze out of your pit bike but don’t want to spend a fortune, look no further. The Bill's CRF full system delivers performance that is unmatched for the price. May 12, 2023 · There are a few choices when it comes to pipe and silencer options: Fatty pipe (Gold Series) The “gold standard” for best 2 stroke dirt bike pipe upgrades is the FMF fatty pipe (Amazon). By rptorman April 7, 2005 in Banshee Repairs and Mods. Not my proudest dirt biking moment… but not my worst Feb 9, 2021 · An FMF Fatty (or any aftermarket part that is externally bolted-on) will only get you marginally better low end than a stock pipe, aside from cylinder porting, reducing the squish band height and, fine tuning the jetting will net you the most noticeable low end gains. Thanks for any info. 99 From $251. It really will pull on top with a rev. Unless anything changes like the pipe falling apart Bills will definitely be my go to pipe and I’ll be recommending others to try them. Aug 9, 2010 · Hello Everyone, I'm in the process of building a 17 YZ 125 and I wanted to get some opinions on exhaust systems. Jeff tests out the stock pipe, FMF Fatty Pipe, and FMF Gnarly Pipe on his new 2024 KTM 300 XC-W TBI on a local trail. I'm leaning towards FMF or Bills due to their support. i. 71 HP - 33. I run various mods (head, pv, vforce 3) and my Bill's Pipes setup rips! Strong mid, top, and tons of over rev. Jun 28, 2019 · I put a an FMF slip on on my WR450 a few years ago that came with an aluminum bushing to adapt it to the stock header pipe. Bills and HGS were both a shoulder above the FMF pipes. 6lbs. paul turner high revs Just like its sibling the KLX110 FMF exhaust, these Honda 110cc exhaust systems deliver in looks, sound, and performance. when i brought the bike it was a real wreck, fitted with the pro circuit works pipe and fmf Q stealth pipe, and jetted horribly, like would smoke the entire street out. Reeds = Stock box with carbon fiber reeds & Vforce 3i Stgs 1 & 3. Light Mode (Default) Dark Mode . IMPORTANT: Some of these exhaust systems are made for modded bikes (big bore kit), while some are more suitable for the stock Honda dirt bike 50cc. The camera For the test article and our opinions of how each one performed on the track, head here: https://www. the pro circuit pipe was dinted up real bad, so i filled it with water and froze it, removing alot of dints and splitting it open, i then had it welded up again. So here it is, on my scale: Stock Pipe is 8. 99 $299. This bike won our 450 Shootout th Mar 11, 2013 · Bill's YZ125 pipe makes perhaps a touch more torque in the mid than the FMF pipe. I really love the stock pipe, because it hits hard, like Tyson. FMF pipe built specifically for the BRC 500 engine in a KTM frame. Apr 1, 2008 · My 03 RM250 had a FMF SST on it, it was smooth and revved pretty high. The Muffler was only 1/2 packed when new and melted my side plate because of that. 1 RCT exhaust system for the FC350. At this point I'm probably going with FMF? What's your choice? Anyone know anything about Bill's Pipes for comparison or review? Lets hear it! Th Feb 6, 2006 · ive tested the PC full system and the FMF fatty with the stock and 50mm cut down silencer. I liked it a lot but nothing beats a toomey. But that is about it. Free Shipping on orders over $50. Do not run a Bill’s Pipes exhaust system until a fuel adjustment module is installed. or is FMF better then PRO-CIRCUIT ? BILL'S PIPE Bill's pipe ($198. As with most FMF four-stroke systems, it keeps their signature can shape and blue titanium look, along with a Megabomb headpipe for good measure. Great low/mid punch that still pulls to the top I've tried the FMF Fatty, Gnarly, HGS/Bud, and Bills. maybe this will keep the whole what pipe should i get for my yz125 in this situation. I have tested the bills vs the FMF system. The stages are dependant on where and how you ride or track conditions. A lot more power down low, and mid-top is a great increase over FMF. he's very happy! i think bills pipes has some for these also. 5 hp on top over the PC and same power curve everywhere else. And ill be honest with ya. The mid pipe rubs on the shock spring, I had to correct that. They are a definate upgrade. Price: $249. Sep 13, 2016 · It seems Bill's was more popular before the 4 strokes took over the market in the middle of the 2000s, fmf and pro circuit jumped right away producing products for the new four strokes and it seems Bills was a couple year late to the party, IMO Feb 22, 2002 · all this comes down to what your looking for. I suppose I'm just going to need to ride the stock to know what I'm missing. I know the HGS works well but I have some quality issues with them on my sons KX Supermini. Not much lowend. 2 lb. the PC looses a tad of bottom and goes smoothly into the higher RPMs. FMF Power Core IV Exhaust - KLX110 From $251. Manufacturers like FMF, Bill's Pipes and Pro Circuit make various 2-stroke pipes to address whatever you want out of riding. I know DEP is good from what I've read just haven't heard much on the bills pipe for yz250s. SCALVINI CONE. I have a bills pipe on my 04 rm 125 and i love it. Like a K and N airfilter. Fattys -good all around Gnarlys -great trail or mx ,very underated if set up right Pro Circuit - best all around pipe and do rev 100 rpm faster than T5s T5s - good all around pipe ,good chrome for looks Turners mids -suck in my book compared to all these others Fmf pipes Jump to Latest 3. If I didn't have the SST I'd definitely take it over stock, but it seems a little weak in the midrange for my style. I ran both on my 87 & the 03 is so much better. Silencer ($98. About the only difference is the Bill's MX2 muffler is almost a shorty so it felt punchier than the stock or powercore, which are basically the same length as each other. Enough so that I bought someones take off as a backup. Reeds = Stock box with carbon fiber reeds, Vforce w/ stg 1, stg 3. This FMF Gold Series Fatty pipe is mounted to Dirt Bike’s 2002 Honda CR250 project bike. Jun 23, 2009 · a good all around pipe is a fmf fatty. dont know how they perform. Thanks. Holding the Bills pipe and FMF Factory next to each other, they look like copies. the Fatty is a monster pipe- its got a much bigger jolt than the PC right off the bottom and doesnt sign off when using the stock silencer. Mar 1, 2022 · The different sounds of pipes and silencers on my 2022 ktm 250sx motocross dirt bike. Oct 13, 2008 · I have a 97 Yamaha Banshee up until last month it just had a set of fmf gold series pipes and a k&n airfilter. 99 (Shorty silencer). Upping the comp ratio by shaving the head 0. My buddy at the time had a FMF the bills was defiantly producing more power but again it was more mid to high. Don’t worry, I noted which pipes Jan 4, 2007 · 2005 trx450r fmf factory 4 complete exhaust, fmf jet kit, nos machine carb adapter, fcr carb, boyesen quick shot, msr fuel mixture screw, lonestar racing block off plate, twin air filter power flow kit, rev max +1750 c. a good high rpm pipe w/out porting is toomey t-6, with porting t-5s flow better. I was out here a few days ago and did a search for "Weight of stock pipe" and got nothing. He won't even notice the lack in top end if he's on the track. RETAIL PRICE $229. FMF REV Pipe is 5. 7K views 11 replies 9 participants last post by Oct 19, 2004 · 2:1 pipe for the best low/mid for MX and rideability, with a little loss in Top End. Edited June 25, 2013 by bmois173. FMF fatties are a better low mid option than PC that tend to be more mid top orientated. they worked good, and the guy's there are good guy's ! Save Quote Apr 19, 2023 · Credit to original creatorshttps://youtu. Apr 4, 2023 · The Bills pipe system comprises of the MX2 pipe and silencer. CONTACT INFO www. I dont think I have ever ridden a cr125 with a stock pipe, but I see a few at the races that still have them. I had read that it was a top end pipe, and did nothing for low-mid, not what I needed on the 250. It also pulled to 8800 rpm with a peak of 53. Jan 18, 2009 · I just got Bill's pipe , do I have to get Bills silencer in order for it to fit and get the power gain I suppose to get , or can I just use fmf silencer with it or any other silencer? Where can I buy bills silencer ? Thank you guys any help will be usfull Edit Report I also got a great deal on a Rev pipe, used it for a few weeks, but it's a little too thin in the mid, and a little too screamy on top. Likes ; Followers Begin by removing the spring that connects the silencer and mid-pipe to the head pipe. the only difference is our pipes. Oct 15, 2014 · I have 2014 with stock silencer. 2 lbs; MSRP $179. There really isn't that much of a difference between em'. SAME JETTING, SAME SILENCERS, SAME CHAINS, SAME TIRES, SAME PISTONS AND RE-PLATING PLACE, EVERYTHING EXCEPT PIPES. They may not look quite as nice and clean as one of the Yoshi exhaust pipes or the PC Works Connection pipes, but they still sound killer and work great… plus they’re still made by a well-known and trusted brand. By editorial staff. HGS is pretty much the FMF of Europe but a bit better, imo. Big Gun EVO Mini Series Exhaust Bill's Pipes 'Big Bore' RE 13 Exhaust - KLX110 Mar 26, 2018 · FMF Dual Factory 4. the stock exhaust on 500 hondas is hard to improve on,(kx too)im running a fmf gnarly on my bike,but only because we had no stock pipes to modify. Fast forward two years and I go to take the muffler off for suspension service, and the aluminum bushing is practically welded to the pipes. Bill's Pipes MX-2 Exhaust - CRF50. Fwiw I still run the oem pipe on my xc, which from what I gather is the same as the sx pipe, I love it. February 24, 2009 May 2, 2005 · I have run FMF fatty ,FMF gnarlys,Pro circuit,Toomey T5s,Pual Turner mids,And CPI. They use cheap materials. I don't want to rejet then rejet So let's see if you guys have some real world comparisons on pipes and silencers. Maybe we are talking seat of the pants dyno versus an actual dyno here? Jan 1, 2008 · bill's pipes is still in bussiness . I know people say the Pro Circuit pipe and silencer will help with this and the FMF combo is kind of an all around pipe, but I'd like to be "different" with the Bill's stuff, if it will achieve what I am after. FMF is more or less just for goon riders that don't know real performance or quality. 20 over, vitos high compression gasket kit, 3" swingarm extensionso i am just looking for Jan 20, 2011 · FMF=Better than Stock and other b level pipes. The Bills runs well, but it is poorly made. thats how the Oem pipe gets selected at the manufacturer. Apr 7, 2005 · VS stock and other aftermarket pipes? I do all around riding, not just drags. The Pro Circuit gives you top end and allows the bike to rev out harder. Pro Circuit knows how to create an exhaust system. When I unboxed the FMF exhaust system I pulled the Factory Fatty pipe out of the bag first. Stay away from Toomey, CPI, Shearer, Trinity and the Dec 13, 2023 · FMF Shorty Silencer. 6 - 33. Hands down my Fav pipe so far. bill's pipes were used on travis pastrana's suzuki rm 125 in 2000, 2001. Shorter inner core length; Aluminum canister; 2. Mar 31, 2013 · In my experience a stock 250r will run with a 400ex. I changed to a PC works pipe, and wow, what a difference. Bill’s Pipes recommends using a fuel adjustment module for proper remapping and adjustment. co Nov 8, 2011 · I was comparing my old fmf shorty to my r304 when I first got it. I know they specialized with suzukis but their new product is worth taking a look at. With your mods you would probably run with a stock 04 450, but would probably lose. Mar 6, 2010 · Bills pipes are making a good come back. Dynoport=Great power up top. The FMF and the PC run almost identical. Pro Circuit= Way better than the FMF. Bill Cervera is a renowned engineer of over 35 years who has built factory pipes for some of the worlds leading teams and riders. 4lbs. Share Jan 24, 2017 · I can't decide which pipe to buy? I've read so many things about people with 300rr's and different pipes. 99 Unit Nov 24, 2017 · If I smashed my fmf and there was a stock pipe and pro circuit pipe sitting on the shelf the stock would go on. Lighter, stronger, and more powerful than the stock system, the construction of this system is Oct 21, 2008 · The fmf and pro circuit. . All of the pipes we tested, except the Bills pipe, can be easily turned from a quiet model to an uncorked high performance product without too much trouble. com/features/Vital-MX-Shootout-The-Best-CRF450R- Aug 10, 2012 · trending. I currently have the stock Beta FMF pipe but it's damaged and I'm in the market for a new pipe. but really, there isn't that much of a noticable difference. The pipe is built using their Truffle stamping process to ensure a proper fit. 9 bills] [55. The FMF dual 4. Sadly, it only took me a few weeks to smash it flat against a tree. Stock pipe and silencer so far on my week old 250sx. , honda hrc kit, works performance front and rear shock kits, moose racing nerf bars, moose racing front bumper, ac racing rear grab bar, itp gncc tires, denton steering Jul 12, 2011 · The pt 03 race pipe is a whole lot better than the old 89 race pipe. FMF Gnarlie and Bills pipe are also good low/mid pipes with decent top and the very best MX twin would Paul Turner Mid Range pipes, unstoppable. Shop all the best FMF Racing dirt bike 2-stroke and 4-stroke exhausts, headers, and slip-ons here. 1 inch vs 1. Some people like the fmf rev pipe. Jan 1, 2007 · Hi guys long time lurker first time poster here. The stock pipe takes a while for the power to kick in which was ok on hard pack desert tracks that I rode. FMF Fatty Pipe: https://slavensracing. FMF Power Core IV Exhaust - CRF50 From $251. the PC pipe now hangs from the wall!!!! Apr 22, 2007 · The FMF gnarly which I had for ages gave abit more bottom to mid range and the desert lads like them, you loose a little top end but gearing will over come that. Jan 30, 2020 · FMF Factory Fatty/Shorty Silencer (Kris’s Breakdown): The FMF pipe/silencer combo adds a little more pulling power out of corners over stock, while the mid range on the FMF pulls slightly longer than stock and climbs farther through the top end. Feb 20, 2025 · Upgrading the expansion chamber - or the pipe - allows for an increase in horsepower, changes to low-, mid- or high-end power range and a smoother power curve depending on make and model. wcuvinbretwlckvcpldkviokbgswsspaubnpezgnpmpnhnzobzoosjdraylpxhvncxicmx