Have a '98 Exp. with 4.0L V6. Like some help on these "performance chips" that are available on current market. Has anyone used them? How about the intake air kits from K&N and others?
Performance Chips & Stuff
Jun 03, 2005
1 Replies
With rare exception, they are all a waste of money. The surest and biggest bang for the buck is usually a less restrictive exhaust system. One of the car mags tested a lot of possible "power adders" and even after spending hundreds and hundreds of dollars, most of them did very little to increase actual HP. After better exhaust you can probably also get some improvement from a better throttle body, then from better heads. Or you can just put a supercharger on it. Bottom line is if you aren't prepared to spend hundreds of dollars you will gain very little. For thousands you can gain quite a lot.
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