Description
Holley Hi Ram Intake Manifold GM LT1 300 141 flowmaster Allows for higher output calibrations Year Make Model Submodel masks 6CK19TZZAA CRN Allows for higher output calibrations with select APR Stage 3 3+ Turbocharger Systems 16 gauge aluminized steel and mandrel bent to allow for better flow of the exhaust pulses as they exit the system