Description Extension pipe for vertical exhaust, inlet 1-3/4" I.D. Use with muffler 15221-12116. Tractors: L185 (all), L225DT, L245 (all), L285 (all), L295 (all), L305 (all), L2350 (all), L2500 (all), L2600 (all), L3000 (all). This item is a suitable alternative for the following: 34219-12410, KUE1, KUE-1