GREHUA Upgrade 420cc Exhaust Header Pipe Muffler Jet Kit Compatible with Predator 301cc 389cc 13hp 15hp GX270 GX340 GX390 OHV Engine Go Kart Mini Bike Performance Parts Golf Cart Mud Boats Lawnmower - PQG026-421B

• FITMENT—go kart exhaust kit fit for predator 420cc 301cc 13hp 15hp Hond* GX270 GX340 GX390 mini bike go kart golf cart mud boats lawnmower water pump pressure washer powered OHV engine. Fitment model Compatibility: Predator 301cc(8hp), 420cc(13hp) Engine, Hond* GX340(10.7hp) GX390(11.7hp) 389cc Engine. HIGH QUALITY & EFFICIENCY—predator 420 exhaust pipe made of heat-resistant silicone can be used for a long time and won't melt. High-quality TIG welding technology and thick solid pipe will break out wonderful sound. Easy to Install and convenient to use. Upgrading your go-kart engine and mini bike exhaust pipe is a simple job to make the exhaust flow smoother and promote more power. ROAR AND SILENCE—if you like pop and loud sounds that want to make your GX390 engine sound like a little beast. You can add the predator 420cc exhaust pipe to amplify the motorcycle roar and you'll be the star of the riding track. If you want to be quiet, you can also add the muffler to attenuate motorcycle roar. PACKAGE INCLUDED—1 x Header Exhaust Pipe, 1 x Exhaust Muffler, 1 x Wrench, 1 x Gasket, 2 x Screws, 2 x Nuts, 2 x Shims, 2 x main jets. NOTE—this exhaust pipe will change color due to the high heat generated by the engine.So you must know this before you make your purchase! And please check as much as possible the item picture, model and size carefully before purchasing. Or leave us messages for assistance if you're not sure if the exhaust pipe and muffler fits.(Engine is not included in the package)