Holley EFI Voltage Gauge - 553-126 electrical-and-wiring These mufflers are easily removed

These mufflers are easily removed for racing purposes and are available in a performance style glasspack or our quieter all metal reverse flow style for small and big block applications

hardware and instructions to complete the installation

Blue and Black fuel pumps are the most recognized performance pumps of all times

6L V8 1959 Chevrolet 3B   283/4

1974 Plymouth Duster 5

Holley EFI Voltage Gauge - 553-126 electrical-and-wiring These mufflers are easily removedOverview: These analog style gauges are designed specifically for use with Holley EFI systems. They are compatible with all Terminator, HP, and Dominator ECU's, allowing them to be installed in a variety of Holley EFI equipped vehicles. CAN bus communication allows the gauges to daisy chain using the included stereo cables, making installation quick and clean. The required gauge module (P N 554 130) allows plug and play communication between the ECU