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ya the acfuab tb is a great picece, the only thing required to install besides the small allen wrench, is an ohm meter, most people over look this step but it is crutial, wat you do is measure the ohms on the tps(throtle pos sensor)
in the sensor it has 3 prongs a b and c, put the negaitve on the b and pos on the a, and move the sensor (tiny bit of adjust ment from moving screws)
you want it to read 1.06 ohms, really easy, that will assure correct reading's
are sent back to the com, like i said most dont do this, just a little trick i learned
from kenne bell.
as for headers, go with the long tubes best for a supercharged car, and to the install, its a complete paint in the ass, people have differnt methods of doing it, most remove the front k meber and support the eng, if a shop is doing it your looking at $600-$800, its alot work for such a small gain but will help open up your exhaust and make a little more boost,
joe makes a killer intercoler for your car will def help in the hp department
as to the pulley situation, if your looking for big numbers go with the twin cobra setup, youll also need the cobra tank which is baffled,
id also go with some 55 or 60 inj with those mods and a full exhaust you should make some serious hp, enough to be having serious traction issues
