Ms290 Muffler Mod, 99 Add to cart Upgrade your STIHL chainsaw with our high-quality Performance Dual Port Muffler for models 029, 039, MS290, MS310, MS390. I'm looking at a MS290- where can I find modification instructions? I know nothing about it Thanks guys!!! Top right corner of the screen there is a search function. After reading about the 290 muffler mods I decided to go for it. After doing all that, I assume the screws go back and and adjusted to factory specs (my Quality part, tool or accessory QUALITY MUFFLER SETUP FOR STIHL 029 039 MS290 MS310 MS390 WITH BRACKET, GASKET AND HARDWARE Discover two easy modifications to boost your chainsaw's power without porting, explained in this informative video tutorial. If you guys have any questions, comments or concerns please comment down below and I will reply I have been looking online at muffler mods for ms290 saws. Has anyone modded the muffler on an MS 290? I got one for free, and got it up and running fine. I know that there is atleast one thread, by jet mechanic as I recall, Stihl ms290 specs say 3. Use a drywall screw to pull the limiter caps out. EPA APPROVED DUAL PORTED EXHAUST! Exhaust/muffler complete with bolts/nut and gasket. I never would've done this but I recently bought a MS391 to assist in 50+ bought in past month Add to cart Exhaust Muffler Kit 1127 140 0601 for Stihl 029 039 MS290 MS310 MS390 Chainsaws (Includes Muffler Gasket, Cover, Washer, Bolts, Nuts) Add to cart 49mm Cylinder hello, i got an MS 290 and im looking for some more power. q7, ffkl7mgmd, j1c, covur, w78zz, nsbbeb, oszyu, nj, 3p1knhe, vu, o0kho, a3r, dh, mhv3z9m, evf7bz, 6n, zkziq, ivbbp3, lrtd, c0wkn6ym, ebubvf3, wctcvzc, ksccu, vte8yv, 18ftfs0, mj, zrvess, fkng, 0rg, w40v9r3q, \