Dougs Long Tube Exhaust Header - D331
Collector Diameter (IN)
2-1/2 Inch
Color/ Finish
Metallic Ceramic Coated
Flange Thickness
3/8 Inch
Flange Type
2 Bolt Flange
Includes Bolts/Studs
Yes
Includes Gaskets
Yes
Includes Reducers
Yes
Material
Steel
Primary Tube Diameter (IN)
1-3/4 Inch To 2 Inch
State Legal
49 State Legal
Style
Long Tube
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Dougs Headers Exhaust Header
Exhaust Header; For Use With Chevrolet Big Block Engines; Long Tube Headers; 1-3/4 Inch To 2 Inch Diameter Primary Tubes; 2-1/2 Inch Diameter Collectors; 3/8 Inch Thick Flanges; Metallic Ceramic Thermal Barrier Coating; Steel; With Gasket/ Mounting Hardware
MPN: D331
Long tube headers will give the greatest increases in Horsepower and Torque across the entire RPM spectrum. The choice of Racers worldwide, a set of Doug's Long Tube headers are meticulously designed for the discriminating car owner who wants maximum power and the highest quality header on the market
Style: Long Tube
Primary Tube Diameter (IN): 1-3/4 Inch To 2 Inch
Collector Diameter (IN): 2-1/2 Inch
Flange Type: 2 Bolt Flange
Flange Thickness: 3/8 Inch
State Legal: 49 State Legal
Color/ Finish: Metallic Ceramic Coated
Material: Steel
Includes Bolts/Studs: Yes
Includes Gaskets: Yes
Includes Reducers: Yes
Features
- Thick 3/8 Inch Flanges Prevent Warping
- Stitch Welded Ports For Added Strength
- Machined Sealing Bead Eliminate Annoying Leak
- Header Tubes Are Pre-Polished For Superior Finish
- CNC Mandrel Bent Tubing Provides Accurate Fit And Better Exhaust Flow
- Precision Formed Long Transition Collectors Reduce Backpressure
- Polished MCTB Coating Offers Corrosion And Heat Resistance Up To 1400 Degree
- Heavy 16 Gauge Tubing For Longer Header Life
- Limited 1 Year Warranty
Specifications of Dougs Long Tube Exhaust Header - D331 | |
Collector Diameter (IN) | 2-1/2 Inch |
Color/ Finish | Metallic Ceramic Coated |
Flange Thickness | 3/8 Inch |
Flange Type | 2 Bolt Flange |
Includes Bolts/Studs | Yes |
Includes Gaskets | Yes |
Includes Reducers | Yes |
Material | Steel |
Primary Tube Diameter (IN) | 1-3/4 Inch To 2 Inch |
State Legal | 49 State Legal |
Style | Long Tube |
1968 Chevrolet Chevelle
1969 Chevrolet Chevelle
1970 Chevrolet Chevelle
1971 Chevrolet Chevelle
1972 Chevrolet Chevelle
1969 Chevrolet Chevelle
1970 Chevrolet Chevelle
1971 Chevrolet Chevelle
1972 Chevrolet Chevelle
1968 Chevrolet El Camino
1969 Chevrolet El Camino
1970 Chevrolet El Camino
1971 Chevrolet El Camino
1972 Chevrolet El Camino
1969 Chevrolet El Camino
1970 Chevrolet El Camino
1971 Chevrolet El Camino
1972 Chevrolet El Camino
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