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Compare prices and find the best price (cheap discount price) of the auto part Hypertech Electronic Control Module: Power ModuleTM 644421 by the part number 644421, H58644421 from a variety of different online car part stores and dealers.
Part Name: Hypertech Electronic Control Module: Power ModuleTM 644421
Part Number: 644421, H58644421
Part Brand: Hypertech
Part Image / Picture
Part Description & Details
HYPERTECH POWER MODULE -- Designed to fine-tune the vehicle's stock computer and increase horsepower and torque; Optimizes spark timing and fuel delivery for the engine point-by-point over the entire wide open operating range; Changes shift points and provides firmer shifts for automatic transmission applications; Delivers more horsepower, higher torque, faster acceleration, and improved throttle response; 49-state legal; Not legal for sale in California; Easy installation; With Hypertech's limited lifetime warranty.
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