I would check your plugs, ignition coil, ignitor, and also, try a possiblity of clogged injectors as well, before fuel pump and filter they are a pain to get to since they are located in the gas tank it's self and require you to drop it. Let us know if these things don't work.
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Cold Air Intake
MIZU Aluminum Radiator
Ralco RZ Underdrive Pulley
NGK Wires and Plugs
Hi Flow CAT
MR Muffler
Super Coil
Techna Fit Brake lines
Clear Corner Turn Signal Lens
Projector Head Lights
Evo Fog Lights
Evo Body Kit
Soon ---> 3'' Exhaust 
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