Motorcycle Repair: 1997 Sportster Carb, harley sportster 883, economical solution

Question
How does the California carb differ from the 49 state standard on a 1997 Harley Sportster 883.  Performance is a little anemic compared to my old sportster.  Is it better to optimize this carb, replace with OEM 49 state carb, or completely replace it with SE or S&S carb?  I don't want refinance the house to fund this project, so I am looking for a economical solution. Pipes are Harley slash cut, but not straight through, and I will probably stay with them.

Answer
CARB IS NO DIFFERENCE THEN THE 49 STATE, IT IS THE CAMS THAT ARE DIFFERENT, YOUR EXHAUST IS KILLING YOU. WHEN YOU WANT YOUR BIKE TO RUN CORRECTLY INSTALL A WHITE BROTHERS E-SERIES 2 INTO 1 EXHAUST SYSTEM,   JOHNNY
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