Brand new dual port muffler for Stihl MS170 MS180 017 018. Increase top end power and throttle response for faster cuts. The unique design directs exhaust away from saw and operator. Direct fit no cutting plastic needed, does not interfere with dogs or brake handle. Does not have screens to restrict flow. Easy bolt on performance. Replaces Stihl part # 1130 140 0600
Stihl
MS170
MS180
017
018
