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Doug's Headers 2002-07 Chevy/GMC Silverado/Sierra/Tahoe/Yukon/Suburban 1 5/8" Shorty Header D3373

Doug's Headers 2002-07 Chevy/GMC Silverado/Sierra/Tahoe/Yukon/Suburban 1 5/8" Shorty Header D3373
Doug's Headers 2002-07 Chevy/GMC Silverado/Sierra/Tahoe/Yukon/Suburban 1 5/8" Shorty Header D3373
from $1,024.13 st

Available Options

*
Model: 5124731
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Features:
  • 3/8" Thick machined flanges to prevent warping
  • Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower
  • Heavy duty 16-gauge tubing for long life
  • Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating
About Doug's Headers

Doug's Headers are a fixture in the motorsports aftermarket, pioneering quality muscle car performance headers for decades. Unlike the competition, Doug's Headers prides ourselves on superior design detail resulting in a hassle-free installation for any application.

Downloads:

Download Name File Size
D3373.pdf248.7KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Chevrolet Avalanche 1500 2006 5.3L / 325 / V8 Shorty
Chevrolet Silverado 1500 2002 4.8L / 294 / V8 Shorty
Chevrolet Silverado 1500 2003 4.8L / 294 / V8 Shorty
Chevrolet Silverado 1500 2004 4.8L / 294 / V8 Shorty
Chevrolet Silverado 1500 2005 4.8L / 294 / V8 Shorty
Chevrolet Silverado 1500 2006 5.3L / 325 / V8
4.8L / 294 / V8		 Shorty
Chevrolet Silverado 1500 2007 5.3L / 325 / V8
4.8L / 294 / V8		 Shorty
Chevrolet Silverado 2500 2007 5.3L / 325 / V8 Shorty
Chevrolet Suburban 1500 2006 5.3L / 325 / V8 Shorty
Chevrolet Suburban 1500 2007 5.3L / 325 / V8 Shorty
Chevrolet Tahoe 2002 4.8L / 294 / V8 Shorty
Chevrolet Tahoe 2003 4.8L / 294 / V8 Shorty
Chevrolet Tahoe 2004 4.8L / 294 / V8 Shorty
Chevrolet Tahoe 2005 4.8L / 294 / V8 Shorty
Chevrolet Tahoe 2006 5.3L / 325 / V8
4.8L / 294 / V8		 Shorty
Chevrolet Tahoe 2007 5.3L / 325 / V8
4.8L / 294 / V8		 Shorty
GMC Sierra 1500 2002 4.8L / 294 / V8 Shorty
GMC Sierra 1500 2003 4.8L / 294 / V8 Shorty
GMC Sierra 1500 2004 4.8L / 294 / V8 Shorty
GMC Sierra 1500 2005 4.8L / 294 / V8 Shorty
GMC Sierra 1500 2006 5.3L / 325 / V8
4.8L / 294 / V8		 Shorty
GMC Sierra 1500 2007 5.3L / 325 / V8
4.8L / 294 / V8		 Shorty
GMC Yukon XL 1500 2006 5.3L / 325 / V8 Shorty
GMC Yukon XL 1500 2007 5.3L / 325 / V8 Shorty
GMC Yukon 2002 4.8L / 294 / V8 Shorty
GMC Yukon 2003 4.8L / 294 / V8 Shorty
GMC Yukon 2004 4.8L / 294 / V8 Shorty
GMC Yukon 2005 5.3L / 325 / V8
4.8L / 294 / V8		 Shorty
GMC Yukon 2006 5.3L / 325 / V8
4.8L / 294 / V8		 Shorty
GMC Yukon 2007 5.3L / 325 / V8
4.8L / 294 / V8		 Shorty

Specifications:

CARB EO # D-57-48
Collector Attachment 3-Bolt Flange
Collector Diameter 2.5 IN
Collector Port Diameter 2.5 IN
Cylinder Head Port Shape Round
Design Shorty
Flange Thickness 0.375 IN
Gasket Or Seal Included Yes
Gaskets Included Yes
Grade Type Performance
Header Style Shorty
Mounting Hardware Included Yes
Oxygen Sensor Port No
Part Type Exhaust Header
Port Shape Round
Primary Tube Outside Diameter 1.625 IN
Proposition 65 www.P65Warnings.ca.gov
Tube Wall Thickness 16 GU
Warranty Time 24 Months

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Doug's Headers 2002-07 Chevy/GMC Silverado/Sierra/Tahoe/Yukon/Suburban 1 5/8" Shorty Header D3373:
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