This is a high quality 4 stage exhaust like all my other exhausts, you will have a deep sound thanks to the 4 stage tip! also You will notice a better performance of your gokart, minibike, or Motorized Drift Trike! 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 exhaust is 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. - 2 Lock washer and 2 nut included. - Heavy duty pipe. - Heavy duty 1/4 Exhaust Flange. - Gasket Mini Bike, not included This been tested on: Massimo MB200, Cole... CT200U-EX , Cole... CT200U, Cole... BT200X mini bike, Motorized Drift Trike 212cc or 198cc. Predator 212cc hemi or non-hemi, GX160 GX200, 212cc Tillotson Hemi. Made in U.S.A.