Chevrolet Truck Header D3354 coated

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Doug's Chevrolet 1500, 2500, 3500 header set, fit the best for guaranteed horse power and torque gains.

Every Doug’s header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in dramatic increases in horsepower and torque. Doug’s headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

Spec and Important Information

Doug's Part Number: D3354

Header Style: Long Tube

Header Material: Steel

Header Finish: Metallic Ceramic Coated

Primary Tube Diameter: 1.75 in. (42mm)

Collector Diameter: 3 in. (76.2mm)

Cylinder Head Port Shape: SAP

Primary Tube Gauge: 16-gauge

Flange Style: Standard

Flange Thickness: 3/8 in. (10mm)

Bolts/Studs Included: Yes

Gaskets Included: Yes

Quantity: Sold as a pair.

Notes: Fits Chevrolet Truck 1500, 2500, 3500, with 4.8L and 6.0L engines 1995 to 2005

111 Long tube headers for off-highway racing use only

182 Aluminized Y pipe PN. D926 bolts to exhaust system. Available separately

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