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Product Description
15" from mount to end header pipe for the Predator 301cc and 420cc, Honda GX240,270,340,390. Stud spacing on header flange is 2" center to center, pipe diameter is 1". This pipe is a very easy and simple part to install and it allows your engine to flow exhaust more efficiently which means more power. Washer end provides added safety and is AKRA legal. For best performance from this header pipe add the Predator Performance Air Filter Adapter Kit (KDPRED301-420AF) to your engine.
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301cc & 420cc Header Pipe ( Honda GX240,270,340,390
301cc & 420cc Header Pipe ( Honda GX240,270,340,390 )
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Header for gx390
worked great I decided on pulling the studs and using 8mm Allan headed boots to attach then I used ceramic coating and 1” header wrap worked great
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420 header
This header is sturdy and fit on the factory studs of my Lifan 420cc motor. The only thing I had to do to make it bolt on tight was add a few washers in order to torque it down because the flange on this header is about 3/8" thinner than the factory exhaust pipe's flange. In addition to the better flow, I like how it cleans up the top of the engine and makes the engine adjustment controls easier to access.
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Pipe
By far the best mod you can do to your mini bike, it absolutely sounds wicked on my mini bike fits right on and exhaust flows extremely well, definitely recommend
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Header pipe
Definitely quality part. I just wish they offered a thicker exhaust pipe the 212cc runs the same one as the 420cc
Would be nice if they had a fatter/thicker pipe for the 420cc but as for quality and good product yes it is.. -
420 header pipe
Fit great and showed up on time
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LOUD
The header is well made and definitely worth the money. This made my 420 cc predator extremely loud.
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Good header
It is a well built header, good quality. However I must complain about GoPowerSports not including the mounting bolts to secure the header to the engine. GoPowerSports should raise the price to $35.00 and include the bolts for convenience.
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420cc header pipe
I ordered the 420cc preditor header from gopowersports.com its a great product. Came fast, email updates, tracking package. Good price good product will definitely use gopowersports.com in the future....
