Exhaust / Muffler for minibikes: Subaru Robin EX17, EX13, EX21,EX27 & 6 HP SP170

You must know this before you make your purchase!-There is no painting in this exhaust, Rust can come out over time, «solution» you applies high heat paint.-This muffler is a little more Loud than the factory.-This exhaust will change color due to the high heat generated by the engine. Type of material: mild steel, Uncoated Steel. This been tested on: Subaru Robin EX17, Subaru EX21, EX27, EX13 & Robin Subaru 6 HP SP170. Mounting holes in exhaust flange center to center 2.30″ (no tested on other engine) Please (see photos for details) 1/4″ thick flange, tig weld. Good for: Mini bikes, go karts, generators… multipurpose. Engine not included.