Product DescriptionPerformance kit features 4 easily interchanged parts that will turn your factory stock 6.5 hp engine into a beast. Tailored for the TrailMaster MB200 or Hurricane200 minibikes but may fit many other applications. This MB200 Header pipe fits inside of the frame and will clear the inside of the side plates.You will use your original emulsion tube.Header pipe may have small areas of surface rust. This kit features:1 Air Filter Adapter1 K&N Style High Flow Air Filter1 Upgraded .038 Main JetCarb Gaskets1 Performance MB200 Header PipeThese products help the engine to breathe better and ultimately move more air in and out of the engine more efficiently which gives you more power!Optional Upgrade Features:Performance RLV Muffler for a quieter sound and added low and mid-range power.We strongly recommend using the Header Support to prevent pipe from breaking.18# Heavy duty valve springs meant to add performance and durability.High Performance Header GasketOur Vent Filter Ki