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.