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Dyno testing shows verified gains of 12-22 hp at the wheels with 45-65% more airflow over the factory air intake
The inertia weight is balanced for smooth operation at all engine speeds
Calibrate it to match your specific tire diameter and rear gear ratio for dead-on accuracy at every speed
precision-tuned fuel and spark maps
it is an ideal upgrade for trucks
Hypertech 11621 Hypertech Street Runner Power Chips Eibach Alignment Kits Dyno testing shows verified gainsHypertech's Hypertech 11621 Hypertech Street Runner Power Chips delivers old school ECU tuning that defined the aftermarket for decades. By swapping the factory EPROM in your ECM for this pre programmed performance chip, you gain optimized fuel mapping, advanced timing, and refined transmission behavior. The Street Runner line covers a broad range of GM, Ford, Mopar, and import applications. This listing is for part number 11621. The Street Runner
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