99-05 GMC-CHEVY GMT800 V8 ENGINE TRUCK-SUV STAINLESS MANIFOLD HEADER&Y-PIPE&GASKET Ban The Sale Of Amazon&Temu

Air Intake:

Filter: 4.00" Inner Diameter, 10.50" Overall Height

Aluminum Charge Pipe: 3.75" Inlet / Outlet

High Heat Tolerance Silicone Hoses: 3.75" Inlet / Outlet

Header Exhaust:

Inlet/ Outlet: 1.875" (8 X Manifold Ports)/ 2.500" (Outer Diameter)

Main Piping Diameter: 2.500

Fitment:

01-04 GMC Yukon(except 2003 GMC Yukon SLT Sport Utility 4-Door 5.3L)

00-04 GMC Yukon XL 1500

99-05 GMC Sierra

02-05 Chevy Avalanche 1500

99-05 Chevy Silverado 1500