For 2k you can do a lot, but slapping on a turbo isn't an option unless you turn the car into a full-on project and up the ante.
-lose weight in the car. Get rid of anything that is not needed. If it has no purpose, it has no ride. That alone can cost you the 2k if you start replacing parts with cf. The more the car loses, the more you feel the power the car already has. Lose interior trim, carpets, that engine cover, sound deadening material, get rid of the A/C if you have it, cargo mats, ANYTHING you lose will add to the performance of the car. Something may only weight 1lb, which itself isn't anything, but combined wityh 20 other things that are only 1 lb and you have gained the equivalent performance of 1 HP (give or take). The less your car puts out, the more that this plan works.
-relocate battery. Know your car's front-to-rear weight balance and move the battery to a location where it will help that balance out. a 60 lb battery setup (hold downs, batt etc) is 2% of the weight of a 3000 lb car.
-intake-header-exhaust will net you some gains and make the car a lot more fun to drive as it will sound pretty bad-ass.
-Do your homework, make a plan and avoid "that" aisle at the local auto parts store. Bolting on a wing, glueing on stupid little fake vents, exhaust pipe whistles etc only add weight. Weight is bad.
-suspension upgrades will make the car faster, but around corners and not in a straight line
Don't get stuck on the thought process of more engine output, think about making your car faster. i-h-e will improve engine output but the rest is about making what you already have better.