Description This do it your self exhaust kit includes a 25mm diameter steel tube suitable to build your own custom exhaust system, it has pipe joiners that allow for a no internal gap when pipe is pushed together & is welded either end of the joiner allowing you to rotate the pipe & bend as required. You get the choice of a 6mm steel exhaust flange to suit Subaru EX 17, EX21, KX21 & EX27 Honda & Clone GX160, GX200 Briggs & Stratton Animal, World Formula or 6hp Vanguard Honda GX240, GX270, GX340 or GX390 1x Steel head plate flange 1x AS0278, 25mm Aussiespeed short muffler 1x 25-27mm, steel band muffler clamp 4x AS0313, steel 25mm external exhaust joiners 3x 25mm steel pipe bends Pipe pictured is for reference only please advise in the comment section as to what head flange you require.