im stuck which pipe for a 400ex???
#1
#6
Go for either the WB or Big Gunn or DMC. I like the sound of the WB it is a real deep loud sound, I rode one with this full exhaust and air filter and tyhe bike sounded great but he must not have had it jetted right because it lost alot of power from my stock EX. Well just check out one of those three, they are by far the best. FMF gives just sound and no power even with rite jetting, dont know much about Yoshi, here good abput it though.
#7
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#8
I would go with a White Brothers or Supertrap they have the best dyno results on a YZ426. But I heard that Curtis Sparks is a awesome pipe and 4-stroke tech is good too. Here is 4 stroke techs number (814)842-6159 . They don't have a website or catalog. But search for Curtis Sparks at www.google.com .
#9
Sounds like you want a quiet pipe and not a full blown race one like curtis sparks. I have the Last Rebel Racing pipe with no spark arrestor and trust me its mean but damn its loud. The big gun has several different sound options. The DMC and Duncan are both louder. It depends on where you ride and how loud you want. Remember too re jet and get a better air filter than stock.
#10