EXHAUST SYS. 20-25 GM HD 6.6L GAS Intake manifolds and intake elbows Trucks with FX4

Trucks with FX4

Remanufactured to new factory standards

Includes vehicle specific a-pillar mount for sleek OE styling and perfect CTS3 positioning

These kits include fuel rails for use with OEM type fuel injectors and clips

The Holley GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited

EXHAUST SYS. 20-25 GM HD 6.6L GAS Intake manifolds and intake elbows Trucks with FX44IN CAT BACK SINGLE SIDE EXIT EXHAUST SYSTEM 20 25 GM HD 6. 6L GAS Improved Torque And Horsepower Lower Exhaust Gas Temperatures Increased Throttle Response Bolt On Design Utilizes OEM Hangers