Doug's Headers D3373 1-5/8" 4-Tube Manifold Replacement Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 02-07

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Doug's Headers D3373 1-5/8" 4-Tube Manifold Features

• Thick flanges (3/8 inch to 5/8 inch) with no warping

• CNC mandrel bent tubes for an accurate fit and a better flow

• Precision formed long transition collectors that reduces backpressure

• Heavy gauge tubing (16 and 14G) for longer life

• Header tubes are pre-polished better appearance

About Doug's Headers D3373 1-5/8" 4-Tube Manifold

Doug's WD TRUCK HEADERS Long Tube Metallic Ceramic Coated Header