JBA Cat Back Exhaust System for Chevy GMC Tahoe Yukon 5.3L V8 for 2015 2020 40 3052 bright earth Basic Operating RPM Range 1500 8000 Jones Basic Operating RPM Range 1500 8000 Brand Holley Carburetor Flange Square 4150 Carburetor Studs Included No Category Intake Manifolds CNC Ported No Color Natural Construction Cast Aluminum Cylinder Head Port Shape Rectangle EGR Port No Emission Code 3 Engine Chevrolet Small Block Gen I Engine Chevy Big Block V8 Finish Natural Flange Style 4150 Fuel Injectors Included No Fuel Rail(s) Included No Fuel System Type EFI Gasket Or Seal Included No Grade Type Performance Intake Port Gasket(s) Included No Manifold Type Hi Ram Material Aluminum Nitrous Bung(s) Included No Plenum Finish Natural Product Type Intake Manifold Top Removable Runners No Removable Top Lid Yes Single Or Dual Plane Type Single Plane Throttle Body Included No Warning California Proposition 65 Warranty Limited 90 Day Gasket Emission Code 5 Material Silicone Rubber w Aluminum carrier Packaging Individual Product Type Transmission Pan Gaskets Thickness JBA has developed the power most people are looking for three things: Power