I know that jet performance modules makes a part that will give you about 43 extra horses. And maybe a new exhaust.
http://www.trsfabandoffroad.com/products/jetperformance.htm
No chip is going to give you 43 horsepower. Regardless of what the manufacture says. It's simply impossible to gain 43 horsepower from a 150 horsepower engine simply by screwing around with the fuel and ignition curves.
The only way you're going to get a seat of the pants noticable difference in power out of any ranger engine (2.3, 2.5, 3.0, 4.0 whatever) is by blowing on it. And that takes a real supercharger or turbocharger, both of which are not cheap (the 60 dollar "electric" ebay supercharges don't work, if you were wondering).
You could port and polish the heads and intake, install high-comp pistons, a camshaft and have it professionally tuned and run on premium fuel and you might get 43 horsepower, but it will only be at such a high rpm that it wouldn't do you any good on the street. Plus by the time you spent that much you could have charged it.
So unfortunately, bolt ons are not going to get you much of anywhere in 1/4 mile times. Put the intake and exhaust on if you like the sound, but don't even expect it to change your 1/4 mile time by a tenth of a second. Either drive it for what it is: a tough, reliable, albeit somewhat anemic, pickup; or pony up the big bucks for real performance parts such as a V8, or a turbo/supercharger. You gotta pay to play, that's just the way it is.