Replace the restrictive accordion coupler on your LS1 and LS6 with this High Flow Power Coupler and increase air flow and performance.
Note: Notch fits around breather tube.
Does NOT include stock intake.
Measures: 4 3/4" Inlet / 4" Outlet
- Choose Red or Black Silicone Coupler
- Includes (2) Clamps for easy installation.
- Used for stock air duct only.