【 Fitment Type 】For Predator 301cc 11hp 420cc 13hp 670cc 22hp Honda GX270, GX340, GX390 (Duromax engine 16HP or 18 HP is not applicable ).
【 Feature 】Flange is CNC cut from heavy 1/4" steel plate to prevent warping.Outlet pipe is 1" NPT pipe thread that matches exhaust port perfectly for maximum flow.2" Hole-to-Hole distance (Center).