Tach Input Ignition Adapter - 558-302 resonators The tubing then runs into

The tubing then runs into a pair of race-proven Outlaw® Series mufflers and the tailpipes include "dummy valve stands" to fool your factory actuators into thinking they're still operating the OE valves

cranking RPM

Intended for use on all GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads (recalibration of the ECU may be required when using this intake manifold design with OE ECU)

Corvette Fuel and Brake Clips

Tach Input Ignition Adapter - 558-302 resonators The tubing then runs intoOverview: This is only used on applications using a CD Box, such as an MSD 6AL, while not using timing control. Features: Application: Year Make Model Submodel Engine Size Universal Specs: Brand Holley EFI Emission Code 3 Harness Type Ignition Ignition Type CD Ignition (No Timing Control) Product Type Ignition Harnesses