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Originally Posted by chcknugget
Do you have a JET chip, throttle body spacer, and true dual exhaust? I want mine to do that!
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Jet Chip: Advances timing and throttle angle and decreases fuel economy for power.
TB Spacer: Just don't do this, causes more problems and has been tested to add no HP or MPG on a 4.3L.
Dual Exhaust: Expensive and kills your back pressure. A good muffler with a dual oulet with dual tailpipes is all you will need for good performance, flow and sound.