Made in the USA To the highest quality, dont be fooled by the competition that makes everything in China! the Chinese have copied my products with the worst quality! ... take a moment and look carefully at the quality (the photos speak for themselves) see the comments of my 100% satisfied clients... More than 10 years in the manufacture of these exhausts from Florida USA. You must know this before you make your purchase! -This muffler is a little more Loud than the factory. -This exhaust will change color due to the high heat generated by the engine. -Muffler can lose paint quickly due to the short distance between the motor and the muffler. Exhaust does not work on the colemans mini bike, would hit the fender... the idea is more for go kart with the frame very tight. Please look at all the pictures to know if it will work on your application, compare all the measurements using a measuring tape to make sure it does not hit the fender or frame. Type of material: Mild Steel, Uncoated Steel. What includes? - Exhaust pipe - Muffler - 2 Lock washer - 2 nut - Gasket -lock nut for muffler Engine not included. Good for: ... multipurpose. This been tested on Predator 212cc (6.5hp) Predator Hemi, Engine From Harbor Freight, GX160, GX200, Tillotson Hemi 212 Engine, XtremepowerUS Electric Start 7 HP, BILT HARD 7HP 212cc Horizontal Shaft Gas Engine, AlphaWorks Gas Engine 7HP 212cc, also tested on Powerhorse 208cc, DuroMax XP7HPE (no tested on other engine) Exhaust pipe Made in U.S.A.