Performance Chip for LS...

Garbage. I bet its a resistor for the intake air temperature sensor to fool the PCM into thinking it's constantly 50 degrees out, thus richening the fuel mixture. Save the 8 bucks and get a pack of 10 resistors from Radio Shack for 50 cents instead....and even that's not gonna do squat.

Get an SCT XCAL II and do it the right way.
 
Garbage. I bet its a resistor for the intake air temperature sensor to fool the PCM into thinking it's constantly 50 degrees out, thus richening the fuel mixture. Save the 8 bucks and get a pack of 10 resistors from Radio Shack for 50 cents instead....and even that's not gonna do squat.

Get an SCT XCAL II and do it the right way.

+1

Guarantee to get a CEL in short order.
 

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