Holley Single Plane EFI Intake - GM LS7 - 300-269 downpipes 5L V8 1976 Pontiac Firebird

5L V8 1976 Pontiac Firebird Trans Am 455/7

5" exhaust tips upgrade the rear of the vehicle dramatically

dBX series mufflers - this Laminar Flow internal configuration muffler features the revolutionary HP core design delivering excellent sound control for a wide variety of engine types where vehicle under-chassis space is limited

Simple adapter connects the APR intake to various vehicles

Includes New Pump Housing

Holley Single Plane EFI Intake - GM LS7 - 300-269 downpipes 5L V8 1976 Pontiac FirebirdOverview: Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS7 cylinder heads. Designed with a 4150 Square bore flange. Optimized runner layout and constant cross sectional area broad torque curve, best vehicle performance from 2500 7000 RPM Minimum carb flange height fit in vehicles with minimum hood modifications. Cast aluminum construction great manifold for centrifugal blower, turbocharged or NOS power adder