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KJ.Shover
03-10-2009, 04:44 AM
I'm setting up my Gen 1 Vmax. I'm using a Kerker 4-2-1 header with a 1 1/2 core, supertrapp can with 12 discs.

The bike is stock, with a high flow airfilter and a stage 7 carb kit.

Any suggestions on the amount of discs, or do I have it pretty much there.

There is still 3 feet of snow on the ground so I won't make it to the dyno shop until May, but I want to try and get it in the ball park before I go.

jwells
03-10-2009, 09:34 AM
What muffler do you have (part number)?
1 1/2" core is small, we use the 2" on our dual slip-ons? and a 2 1/2 on the standard Kerker can.
On the slip-ons we will suggest 16-18 discs (each muffler) with the jetting/air box mods. That is also with the 2" core in those.