2002 ford zx2 ... best performance upgrade under $200?

[mynizzlegrizzle]

I already have iceman intake, k&n air filter, full borla exhaust, msd ignition, short shifter, and upgraded clutch

 

[Andy Pandy]

Hole in the middle of the roof.
Stick a wooden pole in the hole.
Attach suitable sized sail.
Wait for wind to blow, or eat a shed load of beans and sit on bonnet/hood facing forwards and wait.