Yea Hmf's are $250 for slip-ons and thats brand new. But if your patient you could find a slightly used one for that same price Full. I'm sure you know of Atvriders.com/exriders.com? All of guys there are selling stuff.
Probably not cost effective. The 400 has dual exhaust ports, that would be that much more money that they would have to charge for the additional header pipe. Any aftermarket header that supplies more flow will fit on a 2 bros. mid pipe.
Is jetting a pain with a set up like a fmf header and a 2 bros mid? I heard thier was a program to calculate a ll that mess but I dont know. I will probly buy a Curtis Sparks. I bought one for my 450r and it was A nice pipe.. But Everybody around here has a sparks so I wanted to be diff thats why I dont have a HMF. Love the way they sound but its so METOO!
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