Hypertech ThermoMaster Computer Chips Differential Covers Remove the old swollen boots

Remove the old swollen boots

It features epoxy-filled construction for vibration resistance

Remove the stock pipes

2" dial face with an air-core movement for fast

Hypertech ThermoMaster Computer Chips Differential Covers Remove the old swollen bootsThe Hypertech ThermoMaster Computer Chips (ref 0482) is a classic ECM performance upgrade from Hypertech that replaces your vehicle's stock calibration EPROM with a professionally tuned chip. For a wide range of GM, Ford, and Chrysler vehicles with OBD I and early OBD II ECUs, the ThermoMaster optimizes air fuel ratios, ignition timing, and rev limiters for real world power gains. It's the original plug in performance chip no wires, no modules, no