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View Full Version : biggest over size head pipe for the 300ex


04-02-2002, 05:47 PM
whats the biggest oversized head pipe and best exhaust out there for the 300ex
NJ300ex
04-02-2002, 06:17 PM
the biggest headpipe would probably be the big bore LRD pipe. It is meant for big bore stroker 300ex's though.
Dave400ex
04-02-2002, 06:18 PM
Curtis Sparks also has Big Headers for 390`s and Stuff.
04-03-2002, 06:46 PM
what would happen if i put a big bore header on a quad with ut a big bore. wouldi get a good performance gain . plus a tail pipe to
Dave400ex
04-03-2002, 08:01 PM
I`m not Real Sure. I asked Sparks about putting a X-6 on my 400 which is for Big Bores and I have a Stock Bore. He said it would Work. Email Sparks and see what he Says.