I am having a nightmare finding a pipe for my 400EX! I want a silencer and a headpipe. Some of the systems I have looked at do not offer a head pipe. I want an after market headpipe that will produce low and mid power increases. Please let me know about the ones you recommend. I do not want an after market headpipe that is a duplicate of the stock pipe. Also, do I have to buy a new oil tank to gain clearance for the head pipe, if so, who makes them and how many $'s. Please suggest jet kits that are proven in a 400EX.
I need your help! I can't find a dealer who knows anything!

 

i have the big gun complete system, it has the head pipe, i really had a suggnifigant power gain all though the throttle. also have the dyno jet kit , runnin a 170 main, needle positioned to 3 notch, k&n filter with outerwear, if you do those 3 things to your ex, you will be very pleased. by the way if you go with the big gun, tell your neighbors to get some ear plugs , it is very loud.

 

forgot about the oil tank question, the only way you have to get a new oil tank that i have seen is if you go with the dg hp2 complete system, there may be others that require that forward oil tank but i am not familiar with them, the only one i know is that dg.

 

price for those things are... big gun complete system, 385.00 , dyno jet kit about 50.00, k&n filter with outerwear is 50.00 , your looin at 485.00

 

Big Gun is 98db and 8 horse power gain. I found it for $359 and plan to get it when ever I'm ready to call.

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Evan Johnson 99 400EX 88 LT250R I apologize ahead of time for my bad spelling/typing

 

Evan Johnson, Thanks for the reply. I was wondering if you could tell me where to buy the big gun at that price?

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ONEWLDCAt, you can get the Big Gun Complete at Moto Man, your one stop shopping for pipes. Once again the pirce for the complete is $359.99.

Email: motoman@mich.com
Phone: 1-800-628-6686

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Evan Johnson 99 400EX 88 LT250R

I apologize ahead of time for my bad spelling/typing

 

Go to Big Gun's website at: www.biggunexhaust.com

 

I went back in the forum on read up on pipes for my 400EX. I read that the LRD pipe was great, so I checked it out and the price can't be beat. My complaint is that it dosn't look so good. Their website is under construction so I couldn't get all the info. Does anyone know if they sell a chrome version or polished. I havn't been able to call them do to my work hours.
Also I want to thank all you guys (or gals, if any) for your input on the big gun, but I would like to know about the LRD first if anyone knows. It is so much cheaper!

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I would also like to know how loud the LRD is?