Performance chip?

I keep coming across performance chips on ebay and auto sites. What are they and how could they help our trucks...if there is such a thing for our trucks. At the risk of sounding like a fool...what's the deal? I have read a lot of posts and never seen you guys talking about them. What are your thoughts?

 

I have heard they don't work or have very minimal effect.

 

Don't waste your money..

 

IDK myself, but if you search, there are threads about them and the cheapos are junk.

 

Good action...Thanks I figured if it was a good investment I would have seen more threads on them. Figured I throw it out to get perspective.

 

The cheap ones are a resistor that forces your engine to run open loop all the time- Gives you a bit different feel but doesn't really do anything.

Get a URD Maf Calibrator, or an APR X-1, and/or a supercharger.