sparks header

[MoToX199]

i have e real quick questin,will a sparks x6 header fit my pro circuit t-4?,and how much power and noise wil it add? thnx!

if its a 400 you prob. dont need it the stock header is oversized already

[MoToX199]

i have 2 400ex's,they both have t-4's on themmine has the complete system,and my bro;s just has a slip-on,but he wants to get a header for his thats y i made this thread

[cals400ex]

the headers that fit are the pro circuit and the fmf powerbomb