FITMENT??fit for predator 301cc 420cc 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 PERFORMANCE??it’s the predator 420cc performance parts upgrade header exhaust pipe kit. It’s a simple job to upgrade go kart engine mini bike exhaust pipe,and let the exhaust flow more smoothly to promote more power.
HIGH QUALITY AND EFFICIENT HEAT SHIELD PRETECTION??it made of heat resistant silicone,which can be used for long time and won’t melt.The heat shield spacer can withstand 2192?Hand prevent burns from the hot exhaust pipes during riding.It is made of high quality materials and it can play a protective role.
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.
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 to 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)
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Founded in 1946,family has been making high quality motorcycle parts??we have more than 70 years of history immersed in an innovative approach to product development, market expansion, technical progression, and environmental awareness.We are dedicated to providing optimal service and delivering an exceptional driving experience to our customers and Shops around the world.

EXHAUST PIPE SIZE
Overall Length??229mm/9.01″Outside Diameter??26mm/x1.02″Inner Diameter??21mm/0.83″Mounting Hole Distance??10mm/0.16″Mounting Hole diameter ??50mm/1.97″Muffler Length??156mm/6.14″
PREDATOR 420cc UPGRADE EXHAUST PIPE MUFFLER JET KIT with HEAT SHIELD PROTECTION
FITMENT MODEL COMPATIBILITY
Fit for Predator 301cc 420cc 13hp 15hp Hond* GX340 GX390 Mini Bike Go Kart Golf Cart Mud Boats Lawnmower Water Pump Pressure WasherGenerator Powered Paragliders OHV EnginePredator 301cc(8hp) , 420cc(13hp)Hond* GX340(10.7hp) GX390(11.7hp) 389cc Engine
Note??We have complete accessories in each package. ??Please check as much as possible to the item picture, model and size carefully before purchasing.
PACKAGE INCLUDED
1 x Header Exhaust Pipe1 x Muffler1 x Heat Shield2 x Lock Washer2 x Nut,1 x Wrench2 x Main Jet
CARBURETOR CARB JET KIT
The main jet kit can control the fuel flow so that air/fuel ratio stays constant.Fit for predator 420cc GX390 Engine
HIGH MATERIA AND PERFORMANCE
The exhaust pipe is made of high-quality metal.It’s a simple job to upgrade mini bike exhaust pipe,and let it flow more smoothly to promote more power.
NOTE FOR EXHAUST PIPE
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!
HIGH QUALITY AND SAFE HEAT SHIELD
The heat shield spacer is constructed of high-quality fiber and can withstand 2192?H.The exhaust pipe with heat shield can prevent burns from the hot exhaust pipes during riding. It can help you achieve safe driving and play a protective role.