Stihl 441 muffler mod

My 066 was 1 turn out and 13,000rpm. Got to be careful with this thin metal. He could deny warranty. Poland. There are multiple ways to accomplish this and consideration needs to be made regarding directing the hot gases and also how much more noise you're willing to allow. Carb was reset by myself to factory original settings before I knew any better prior to doing the mod. I prefer to use it over my others within its capabilities and it is definitely the easiest-starting saw that I own. Broke the rear handle on my 038. S. The 261 shouldn't be a problem. i found only one thread. I fail to see how the info for a non strato saw applies to a stratosphere saw. Discover how to boost your chainsaw's performance and maximize its efficiency in just Feb 20, 2018 · Stihl 441 w/muffler mod Stihl 361 w/muffler mod Stihl 260 w/muffler mod Stihl 250. IIRC the best gains were at around 80% of exhaust port. Mar 5, 2022 · Package Includes:1pc x Exhaust Muffler, 1pc x Muffler Gasket, 4 x Screws ; Replaces OEM Part Number: 1125 140 0612, 1128 140 0603, 1128 140 0600 ; Fits Models: Stihl 044, 046, MS440, MS460 Chainsaws ; Replaces Dual Port Exhaust Muller Assembly For Stihl Chainsaws Dec 24, 2009 · So far I cannot beet the times of the stock 460 with stihl dual port muffler. #14. Oct 4, 2018 · Jan 1, 2023. moto-save (3,883) 99. My information on modifying the 441 muffler came from a guy I respect (no names) and he had little luck in improving the output by conventional means. Mar 31, 2017 · Reaction score. If you want something more powerful look at a 441cm or a used 440. The straight shot muffler from Egan Performance will give you the extra power you need from your chainsaw to tackle even the biggest trees, like how it gave Jesse from Fear the Beard Tree Service the power he needed when running a Stihl 461 with a 32" bar to tackle the "biggest craziest cedar" he had ever cut down. #8. I decided to do a muffler mod on my MS180. SKU. But this is my first attempt at louvred style. Run a high quality oil at 32:1. Jan 1, 2018 · Detroit. This ensures our authorized full-line servicing STIHL Dealers are best able to service your STIHL equipment. Step 1: Use an 8 mm combination wrench to lose the muffler bolts. This will add more flow than the DP cover and be free. +C $20. Made in the USA from 10 gauge 304 stainless steel, with USFS approved spark arrestor. Next step would be to widen the intake and exhaust ports some. Mods on a ms 261 ive only done 1 and it responded very well. After that cut the base and squish band, get a degree wheel and go full pull port job. However I have found that the 1127 series (039, 029, etc) gets big gains from a few more holes in the muffler. QS 1138 140 0654. Drill a 1/2" hole in the front of the baffle, directly inline with the exhaust port. After reading other threads I found one that stated an adjustable carb was available that would fit, walbro WT325a. I've never cut the saw any slack. Apr 6, 2024 · AS Supporting Member. Advertisement. Return the carb. Sent from my iPhone using Tapatalk Pro. With that said, I will be purchasing a new muffler cover as this one is too loud for normal use. Nov 28, 2023. My last muff mod. Just remove the muffler and open the existing outlet to 9/16-5/8". A muffler modification is the fastest and easiest legal way to get more power out of your Stihl chain saw. Dec 31, 2005 · 4,019. It is reversible so I am going to make the hole bigger and muffler mod it. USA. Reinstall the screen allowing the exhaust pipe unit to sit flat on the muffler. Whether it is rusted out, dented in, or you want to do your own woods port Stihl MS 441 Magnum Mufflers with rust or mufflers that show signs of deterioration should also be replaced. I am fixing up a Stihl 036 Pro and am wondering how much this model benefits from a muffler mod? Most of my saws I run stock. I would just like some direction on where and how to cut. exhaust port and another one or two into the exit baffle. The end result wasn't pretty, but it runs great. complete removing the bolt with a socket wrench. It was dependable but lacked in the torque department for me (bogged in larger wood and cut slow). Mufflers take a beating over time, and sooner or later you will need to replace it. #15. Dec 24, 2009 · 441 mod Pictures The 441 has the lower ring ends are on the exhaust side!!! View attachment 120039 View attachment 120040 View attachment 120041 View attachment 120042 Here are pics of piston failure, and the small intake. For STIHL MS461 044 MS440 046 MS460 Chainsaw Dual Port Muffler 1125 140 0612. Nov 4, 2013 · Thats dam good going against a 70cc saw, looks like the mod woke it up. Bolt on more power with an Egan Performance “straight shot” muffler to your Stihl 500 chainsaw for an immediate increase in power and throttle response and a reduction of engine temperatures. Which I think he said was around 3 3/8ths holes. I'd say there's room for improvement. If you muff mod (MM), then you'll need to re-tune the carb again (this will definitely require the removal of limiter caps). I did a "Lakeside" mod on mine and it helped a lot, the saw is a dog stock and sounds weak. Florida. stihl ms 360 pro muffler mod (help-information) hey, guys. Same with 046/460 muffler outlets. Franklin, OH. You might want to find information from a builder like @huskihl using Search. Apr 26, 2016 · It's the same concept. With a decent muffler mod I'd expect it to get up to 14,300 -14,500 rpms. Ordered list. Aug 6, 2009. Nov 8, 2006 · The muffler mod made a significant difference in this saw. Jul 3, 2013 · Location. La tronçonneuse est conçue pour être maniée par une seule personne. #7. If your Stihl MS 441 muffler is loud, damaged, or excessively rusted, then the muffler needs to be replaced with our suitable Sep 27, 2018 · NC. You can see that the added port is about 3 times the size of the stock one port outlet. West Central Wisconsin. pioneerguy600 said: I just cut the front right out of the baffle but leave the sides in place, the two exit holes are about 3/4" wide and elongated to approx 1 " front to back both sides. A hole in the front cover makes too much noise, the DP covers also are way too noisy so that drove me to find the alternative and its rather easy to do. Opens in a new window or tab Jan 7, 2015 · The 261 is different from most of it's brethren in that it has a baffle plate situated directly between the cylinder exhaust exit and the muffler exhaust exit. Can someone recommend a muffler mod for a MS391? I don't have any personal pictures of the muffler, but you can get a good view of it in this video between 1:30 and 1:35. Stihl MS440 Magnum Husky 575XP. 0. Install the screen by welding it with filler over the hole. Jun 18, 2006 · PNW. Plate. Cut a new spark arrestor screen with metal scissors so the screen is slightly bigger than the new muffler hole. If it has a gaping hole for an outlet or 4 pipes sticking out of it, it might be an issue. Drilling small holes into your muffler will modding mufflers on modern saws increases longevity by decreasing operating temperatures. Then follow the below steps to complete the modification. I found one on ebay. Apr 2, 2009 · The exhaust enters the muff thru a baffle. Sent from my iPhone using Tapatalk. Aug 19, 2010 · I want to get a leg up on my dads 046. He's looking at it It might require changing both the input and exhaust to maintain system mixture balance. Mar 25, 2013. These mufflers are just empty cans stock, no baffles. They are really just bling IMO. When I bought the 441 and took it over to show it to him he said " it still wont outcut my 046". That muffler is sure a pain in the A%^ to get apart!!! Going to plug the existing port and add two screw in spark arrestors out the side. #5. Jun 20, 2020. stihl ms 441 muff mod. Oct 21, 2017 · Oct 29, 2017. Trees will be falling for you. Stihl MS 440 460 461 441 muffler Chainsaw Exhaust Chainsaw 044 046 ms440 ms460. You should adjust the carb, regardless of mods (even stock). A simple, and neat muffler mod that is reasonably "stock appearing" should not reduce the value of the saw to any customer really. Oct 4, 2015 · Its a 20" bar and I use Oregon full chisel 3/8 chain on it. Stihl 044 Ms 440, Ms441, Ms461 Dual Port Muffler Gasket New Jan 11, 2010 · MS200T, climbing, limbing, etc. Stihl MS460 Magnum Dolmar PS-7900. With a muffler mod you should get better 'in the cut' engine speeds, and the saw will run cooler. Think you got the saws mixed up. Mar 2, 2008 · Pittsburgh, PA. Heres some pics of my mod on an 024 muffler. . fdmars. H. I did something simpler, the muffler cover on the opposite side of the existing port has a lot of meat on it. The MS311 is ok. These are not all meant to be representative of the saws best cut times. Only for users with extraordinary cutting needs and experience and training dealing with kickback. I didn't put the limiter caps back in,so far it hasn't been a problem. Well, a muffler mod basically consists of making the outlet of the muffler larger so the exhaust gases can escape more easily. Chainsaws with significantly reduced kickback potential are available. Usually that requires removing the limiter caps to gain range of adjustment. Once I got through the smaller forks I bolted on a 30" bar (pic below) to buck out the main trunk that was about 30" thick. Location. Some newer chain saws have a catalytic muffler designed to control emissions to meet EPA guidelines on exhaust emissions that exit the chainsaw muffler. Install the bolt and use a 31/64" drill bit to drill the new exhaust hole through the pipe. 845. Avg 23 sec. Just make a hole and fabricate a sheet metal hood to deflect the gas forward. Stihl MS280 Jonsered CS2171. 5,643. Ne pas tolérer la présence d'autres personnes dans la zone de travail – pas même à la mise en route du moteur. Nov 29, 2017 · Location. Oct 15, 2016 · Oct 15, 2016. I was cautious and backed the H screw out 2 turns from bottom,but this was too rich. See if you can find it. Replacement muffler assembly from Stihl. MS250 modded or its replacement, limbing bigger stuff, some bucking. So the gap I want to fill is between the MS200T and soon to arrive MS660. while at the Iowa GTG I tried out some various muffler combos for the 661 with each mod - new chain, bar cleaned, fuel and oil topped off, and reset procedure performed. Then I drilled 4 3/8 holes into the "cage" where the exhaust first enters the muffler from the cylinder. The best method would probably be to uncrimp the muffler and remove the baffle all together, make some spacers for the bolts to keep from crushing the Dec 23, 2005 · Here is the dual port muffler cover. Well, while working on this one, a muffler mod was one of the things it was here to get done. Like. Made in the USA. I went with this variation, oblong the factory discharge and add a 1/2" hole in the other corner. If you want another hole, cut two slits in the side of the muffler about 1/4" apart and 1" tall and pry them open with a screwdriver, making them into vents. there is nothing special about these front exit muffler plates. Sep 26, 2011 · Got bored this morning and decided to mod the muffler. If you do the 192, the. pioneerguy600 said: After modding more than 25 of the 044/440 mufflers I found they run best with two 3/4" holes for the exits, one left and right. or Best Offer. #1. Oct 1, 2010. I have done a few muffler mods now; the majority are done with dremel and carbide burr. Nov 14, 2010 · The 260 is just an OK saw without a muffler mod. Exhaust on the cylinder is 29mm x 19mm = 551mm Factory exhaust was a 12mm hole = 113mm (ouch) Additional ghetto exhaust port in the front 70mm x 5mm = 350mm and left the factory hole alone so a total of approx 460mm. Actively seeking parts. The exhaust then exits via another baffle. Sep 28, 2018. Aug 22, 2008 · Dec 8, 2008. Y Dec 30, 2015 · Deets066 said: The older coil is unlimited, the 461 has a rev limiter. Thinking about cutting an angle on the out side to vent away from my hand. I will be doing mine this weekend. Can't say how much. They have a very restricted exhaust. I didn't pull the caliber out, but the exit is about 1/4-1/3 the area of the cylinder head exhaust port. Value 9. In the vid, I'm showing you how it runs with light, medium, heavy, and very heavy loads. YouTube - ‪The chainsaw guy shop talk Stihl MS 391 chainsaw 2 16‬‏. Port jobs range in price, I'd say 200-350. May 28, 2020 · First things first, you need to be competent in tuning your chainsaw or know someone that can properly tune it for you before you make these modifications. My advice is to open up the inner muffler cage, then open up the existing single port. Oregon. I sold my modded muffler for the 290 and the ex got that saw with a 210 that I gave her. Stihl 066 Magnum Stihl MS660 Magnum. Installation Recommendations: To install, pull the screen out and cut off the outer hold tab. This mod will allow your engine to breathe better, letting out more heat. I want to know if it's worth a hassle to muffler mod and/ or timing advance the 241C-M. This little thing loves to be modified I had a Stihl 390 for over 8 years. I bought the R, or wrap, model to get the high output oiler, dual big dawgs, roller chain catcher, and stiffer AV springs. I have a Stihl 029 Super that I bought new approximately 15 years ago. Reactions: Bulitt, BigJim55, rtgt and 1 other person. Mar 3, 2003 · Mar 7, 2016. I have some stainless mesh I have to fit up yet to keep crap out of the exhaust. STIHL recommends 171 reviews. #16. If you increased the factory outlet location the same as a bark box the results will be similar. The dual port involves swapping out the front plate on most Stihl models, this won't work on the 361 since the 47 reviews. Husky 385xp Stihl MS361 Stihl MS441 Magnum. I understand that it has the same muffler as the MS362, but the Dec 4, 2014 · How are you guys out there muffler modding your 441,so it dosent sound like a sowing machine. I read a great post by Timberwolf on opening up the muffler. Test bar - tsumura 36" 404 tip running stihl RS chains. (new) So don't just look at the times. This OEM muffler is a high quality replacement option for your chainsaw. May 12, 2011 · I just did a muffler mod on my MS290 and I removed that boot to make it easier to remove the limiters. is that all there is to it. MS660 felling/bucking bigger stuff/maybe milling. Oct 1, 2010 · Location. 325 it does a great job. I'd do a "Lake 361 style" pipe out the recoil side. This carb has an adjustable low speed jet but a fixed high speed, however, the high speed is rich enough to do the muffler mod. I absoulutely love mine. Enlarge the stock opening under the deflector, remove limiters and re tune. It's an easy mod and works pretty good. May 28, 2019 · Fits for STIHL: MS170, 180, 017, 018 ; Replaces OEM Part Number: 1130 145 2900 / 1130 140 0600 / 1123 149 0500 ; Package Includes: 1 x Exhaust Muffler, 1 x Gasket, 2 x Bolt ; Easy installation and covenient operation. Feb 25, 2010 · On my woodboss 028 with the 3 part muffler I took it apart, and cut out the entire shroud behind the spark arrestor. Theres a thread on here that Lakeside53 did on modding the 361 muffler. Jul 19, 2011 · Jul 31, 2012. Actually extended the stock deflector some as it was coming out the side a little too miluch for my taste. Add some extra displacement, compression or help your chainsaw breathe better! Big bore cylinder kits, pop-up pistons and dual port mufflers for Stihl, Husqvarna, Makita a Dolmar chainsaws. And I think it came up pretty good. Once again dremel, slitting wheel and a few different pair of pliers. That'll give you all the flow you need. Aug 16, 2011 · 33,264. Top Rated Seller. All I can say is WOW it's like it's a 55cc saw!!! HA. I am thinking the muffler mod is all it will take if it helps as much as the one I did for my 360. Dec 30, 2005. Added some of Keith's red oil@40:1 and she fired up for the first time with 4 pulls. May 23, 2022 · I have found that the Stihl MS 250 is the most user-friendly Underestimated And Tuner happy chainsaws on the market. 81. Baffle Out / Screen In - 4. Let the dealer do it with the software, because the base settings are changed there. Please watch and see if you can tell any differences. Brand New. Feb 14, 2009. It's easier to tune a saw without a rev limiter for me. You did a great job, did you have to fatten the carb much. Specs: Stihl Stihl Muffler Gasket 044, MS440,MS 441, MS 461 #1128 149 0500 OEM BRAND NEW OEM STIHL MS441 PORTED EXHAUST DUAL PORT MUFFLER MOD A1. * Please check the model and size carefully before you buy it, thank you. Jun 19, 2020 · Eastern, PA. Retuning is ever so slight 1/8 turn or so is all thats needed, and you will want to turn screw to the left to richen and not to the right which will lean it out the opposite of what you want. I also converted it to 1/4 micro chain. Genuine STIHL parts, service manuals, and Illustrated parts lists are released exclusively to authorized dealers, technicians, and distributors of our products. Aug 24, 2021 · 9. Aug 16, 2011. Have a 20" bar on it and using it for firewood oak, ash & maple up to 24" 80% is 20" or less. THE DUKE'S PERFORMANCE COATED POP UP PISTON FITS HUSQVARNA 455 RANCHER 47MM. The saw does just fine with the factory port opened up and the baffle removed. Shouldn't have to worry about tuning over the rev limiter unless it's ported usually. Clean the muffler well, get all the metal chips out. Baffle In / Screen in - 4. SW Missouri. That way it will still look stock but run alot better. Base gasket delete, dual port muffler cover, and timing advance. Maker sure you open up any baffles you may have in the muffler as well. Jul 26, 2010 · Reaction score. I just modded the stock outlet under the stock deflector. It was a carbed saw and actually needed leaned out some after. Hi, I've been looking everywhere, maybe my Google skills are subpar, maybe wrong keywords used, either way I didn't find a definite information. The elevation has to be put in where the saw is mostly operated. Aug 23, 2011 · ANY TIME you muffler mod complete removal is always best. Tonight I picked up a Stihl MS441 R C-M with the M-Tronic carb on it. Jun 17, 2014. $ 19. The saw ran great prior to the mod. My understanding is opening the muffler to 80% & advancing the timing work together, one without the other doesn't help much, and how much it helps depends on how restricted and timing retarded the saw is. open the existing hole to 9/16"-5/8" and adjust carb. Mar 2, 2008. There is much to like and not much to forgive in this saw so I give it my unqualified recommendation—if you need this much power. All I can say is that the temperature of that saw went way down. Similar may not be the same. . Basic setup on a 361 is 14,000 rpms. I read a thread on AS where the author had done some extensive tests on a 260 and how much to open up the muffler when modding. The 290/310/390 are very cheap and easy to muffler mod. #2. You can set them at the top end of the factory rev limits. I'm thinking about one hole in line with the C. When I throw out those cuts just made for demonstration, and take the best couple of times, the muffler mod was good for a 22 Sep 14, 2022 · In this video I modify a muffler for a friend. Jul 7, 2011. Mar 31, 2017. Build Quality 10. Nov 25, 2017. First vid stock 291 avg 26 sec. If you keep it a muffler mod would help. #6. was surprised to find the muffler is completely empty. 00. Ne pas démarrer la tronçonneuse lorsque la chaîne se trouve dans une coupe. With the 16-inch/. Save Share. The deflectors I make myself and weld them on but the screw held on Husky baffles work equally as well. Apr 23, 2010 · Location. 1 2 3 … 7. Me, I like to uncrimp the muffler and pull the whole baffle system out of the muffler. This would be the inside view (from inside the muffler) This is the outside view of the same dual port cover. He did a really nice job. E Melb, Australia. Shipping calculated at checkout. Defiantly gained rpm and power. It is a bit weak. I have read info on the 441 with a muffler mod. Stihl MS 441 Muffler & Muffler Bracket Replacement. Sep 16, 2010 · After the mod, unless you have a spare stock muffler, the dealer will know its been tampered with. As far as advancing the timing, I'm not sure whether is requires Oct 23, 2006 · Even Stihl has two approaches - reeds on the TS700/800, and piston "ported" on the 441. Thread starter stihl man 460; Dec 20, 2015 · December 21, 2015, 08:08:55 PM. It is the ONLY thing in the muffler that prevents the exhaust venting nearly directly from the cylinder in to the world. I do a ton of late spring and early summer work in S. Oct 30, 2019 · 19,613. 4. Hillsdale, MI. PERIOD. Clean out the hole and installation is complete. The tree shown above was as hard as nails. PTR Review. middle Georgia. One. The mufflers are built the same way as the ms361 is. #3. Chainsaws made before epa requirements were never as restricted as today's saws and they had superb durability. You might be the first to mod a 391 muffler but I'm sure it will gain some power. I go 80% of exhaust opening. #12. Jan 31, 2006 · The "1 turn out" is only valid with the factory muffler etc. Mar 31, 2014 · One of the biggest differences was the exhaust outlet on the muffler was significantly smaller on the OE 441. Mar 29, 2020 · in this video we do a simple muffler mod on the 064 May 1, 2017 · May 2, 2017. I think it was an 026. Use a drywall screw to pull the limiter caps out. Open up the intake side by removing intake insert and bypassing the compensating carb by siliconing the psssage and drilling a 1/16" hole in carb upper snorkle . Aug 25, 2021. But someone will be along to tell you to shell out big bucks on a DP cover that doesn't make any more power than a modded single port. PPT265, stuff you do with a pole saw. just open the louvers on the muffler as other wise you dont have enough back pressure and will run lean. Nice Replacement for your broken one. NOMOREGEARS said: My 038 went down so I got a MS311 while I'm getting the other saw repaired. Mar 29, 2018. C $19. Apr 12, 2009 · Was woundering what mods where out there did a search and everything turned up bad. This is Stihl part number 1122 140 0800 and retail for right around $41. Mar 24, 2008. Without relocating the pin the stock saw can only go about 1mm wider on the ring side. 69. Step:2: Use the handhold electric grinder to widened the muffler Apr 10, 2008 · There are a gazillion muff mod posts for the the 066/660. It makes sense after porting or a muffler mod. We try hard to keep the chains and bars the same and even change operators. I am looking for info on the 311 specifically. Dec 31, 2015 · Assuming the carburettor is restricted a bit from factory opening up the supply hole to the top butterfly should do a similar thing to increasing the flow through the carburettor venturi. Using a 1/2" vari-bit and a dremel to deburr, it was pretty easy. No fires!!! Jan 26, 2022 · The other thing is. Leave the spark screen in or out. 99 average. Michigan. $75. The chainsaw muffler is designed to quiet the noise of the exhaust exiting the cylinder and to keep the operator from being subjected to excessively loud noise. Looking at the IPL, the 391's muffler looks just like a 441. Along with what gains were seen. Sent from my iPad using Tapatalk. I'm sure my buddy, Kg461, would suggest his ported 362cm. Jan 2, 2010 · Run too hot and you will score your engines. 2nd vid is with MM. Then open up the factory outlet on the side of the muffler. I have two different covers that I can use, one that is clearly modded, the other, looks 100% stock from the outside, and allows use of the spark arrestor screen. 3%. Was woundering if a larger cylinder could be added like off a 460 or mabey if some one makes a stroker kit or something. I think the MS250 is most likely ok, and maybe with mods, would be great for my Aug 20, 2011 · Apr 12, 2012. I was using my MS 390 in a warm day when I noticed how hot the saw was, it was uncomfortable on my bare hand on the handle bar so I decided to do a he muffler mod I’ve been reading and watching videos of, not for power increases but to help with heat. Add to cart. Tiny. Dec 4, 2012 · Stihl 441 with a muffler mod and a 105 driver loop of square grind chain on a 7 pin sprocket. You can zoom in and see the pipe I welded in. Ergonomics 9. It was even harder and would dull the chain to the point of smoke on the 3rd cut. Just in the production lifespan of the 029/290 alone the outlet sizes have decreased. from United States. Small matellic particals and fast moving pistons dont mix. After the mod I bought an Echo PET 1100 Tach and started the saw to tune it Nov 24, 2016 · US. Cutting Speed 9. :deadhorse: Great saw owned it for about 2 years but would like more power. :cheers: Aug 6, 2009 · Location. STIHL MS 441 Instruction Manual Manual de instrucciones Warning! This saw is capable of severe kickback which may cause serious or fatal injury. This cover will also fit later model 064s and ms660. Can't speak to the 193 but I just built a 192t, timing advance and muffler mod really wakes it up. I decide to cut the baffle in half and weld the muffler back together. Feb 18, 2008 · 127. In fact, the carbs (most of them) are adjusted to be exactly 1 turn out for a given factory config and variation from this is often a good indicator of whether you have other problems. Mar 16, 2022 · Rev up your Stihl MS170 chainsaw with this simple muffler modification. Jun 6, 2015 · The MS661C loves to breathe, as do all chainsaws. The 460 is 5 seconds faster in oak; the 441 25 seconds, and 1-2 seconds faster in poplar 441 is 7. 14 shipping. The Stihl MS 441 Magnum muffler bracket is designed to help support the muffler and Step 7. thanks. Bolt on more power with an Egan Performance “straight shot” muffler to your Stihl 660, 066, and 650 chainsaw for an immediate increase in power and throttle response and a reduction of engine temperatures. He (and the other guys there) told me that the 55, 65, and 85 handheld blowers all had the same motor, just different exhaust restrictions - so drilling out the 55 makes it a "poor mans" 85 without the extra attachments. STIHL recommends using only STIHL replacement parts for the repair and Mar 14, 2022 · That said, to perform the Stihl ms170 muffler mod, firstly you will need to remove the chain from the bar. 3rd vid is 441cm avg 14 sec. I did a mod on mine and it makes it a totally different saw. Order a new set of rings while you're in there. The same applies to modifications and their effect on the saw's reliability. Sep 23, 2005 · 8) 220 Poulan Future Saws. There are a lot of pictures of what people have done and some videos, try a Google search. Right now it is at 1 1/4 turns out from bottom and it is at 11,400 rpm's,still rich but it Apr 15, 2014 · KG posted some pics of his nice muffler mod on the thread "My new toy MS 362 C-M". May 2, 2009 · 380. Dec 20, 2013. Your gonna have to mod it yourself, or buy a complete modded muffler from someone else. I tried the same on my MS260. I have cut A LOT of wood with this saw. Reaction score. He was right, but I lack very little. Stihl Muffler Assembly for MS441 Chainsaws. Muffler mods work by increasing outlet area. Oct 10, 2013 · Stihl MS 441 C-M Magnum Chain Saw Review. Jun 17, 2018 · andyshine77 said: I don't believe resetting the system is nessairy after a muffler mod, the system should adjust the mixture to compensate. I removed the limiters on the carb so that I could do a proper tune Find many great new & used options and get the best deals for STIHL 11381400654 Chainsaw Muffler - Gray at the best online prices at eBay! Free shipping for many products! Just open the existing hole up to maybe 5/8"-3/4" and take out the internal baffles. 28. #4. Fort Davis. I've been threatening to do a muffler mod on it for a few years now and today I finally got around to doing it. Jun 2, 2009. May 22, 2020 · Oregon. Apr 28, 2015 · Apr 27, 2015. Mine is the C-M. On my MS 250, I went in thru the port side of the muffler and with a drill bit, enlarged the holes in the baffle as best I could. Not my muff, I used the same layout. I sold it and bought a 660. Oct 30, 2019. The straight shot also aims the exhaust directly at the case, which isn't a good design Sep 5, 2008 · As a side note, I just bought a Stihl BG55 blower and the guy at the store drilled out the muffer for me before I took it home. Mar 27, 2017. by Ernie Conover. This saw will be getting ported probably sooner than later, but wanted to see how it ran stock. Cutting Power 9. Dec 29, 2011 · I am new to modding saws but work at a stihl dealer and know these saws well. i am looking to mod the muffler on my stihl ms 360 pro. 5 sec. ac sv qo gt lo rn jj dh bt zs