I'll simplify the answer for you.
The header is the primary concern and effect on flow.
You can Y pipe the stock headers just past the oil pan and run custom mid pipe to any can you want that has been used on a 600+ sized engine.
Now more details on doing that...
If your using a stock header, then you can get away with a shim of the needles instead of a jet kit for small adjustment. This doesn't replace the better shaped needles in a FP jet kit, but then peeps use the shitty shaped DJ kit needles and fan boy about them all the time. But it can work. Shim with #4 washers. Most hardware stores carry packs of them, so that's a cheap work around for the US stock needles not being adjustable.
I agree with the center stand being there for the formation of the exhaust, helps you make sure not a clearance issue later and also you can locate to place the bumper for the center stand stop point.
Krey
The header is the primary concern and effect on flow.
You can Y pipe the stock headers just past the oil pan and run custom mid pipe to any can you want that has been used on a 600+ sized engine.
Now more details on doing that...
If your using a stock header, then you can get away with a shim of the needles instead of a jet kit for small adjustment. This doesn't replace the better shaped needles in a FP jet kit, but then peeps use the shitty shaped DJ kit needles and fan boy about them all the time. But it can work. Shim with #4 washers. Most hardware stores carry packs of them, so that's a cheap work around for the US stock needles not being adjustable.
I agree with the center stand being there for the formation of the exhaust, helps you make sure not a clearance issue later and also you can locate to place the bumper for the center stand stop point.
Krey
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