Which vehicles does the Doug's Headers D581 fit?

Fits 1970 to 1979 Pontiac Firebird. Requires removal or modification of locking steering columns if equipped.; Fits Edelbrock Performer RPM, RAM-Air, Super Duty and H.O. Round Port Heads only; Header will fit with Milodon oil pans 30355, 31660 & 31665; Full-length; Metallic Ceramic Coated

How much is shipping and when does it ship?

It ships tomorrow. Ground shipping in Canada is free on orders of $100 and up, $9.99 under that.

Can Northern Performance install it?

Yes. Buy it online and have us install it at our Service Centre. The Service Centre is at 1164 Walkers Line, Burlington, Ontario.

Doug's Headers Long Tube Header 70-81 Firebird 455 W/HO/SD/Ram Air Heads only 1 7/8" Primary 3 1/2" Collector Silver Ceramic Coated

Mfg Part #: D581
NP#: DOUD581
Brand
Fitment Note: Requires removal or modification of locking steering columns if equipped.; Fits Edelbrock Performer RPM, RAM-Air, Super Duty and H.O. Round Port Heads only; Header will fit with Milodon oil pans 30355, 31660 & 31665; Full-length; Metallic Ceramic Coated

Fits 1970 to 1979 Pontiac Firebird. See every vehicle

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

$1,693.99 CAD Ships tomorrow

Free shipping in Canada, ships tomorrow

Availability:

Book installation at our Service Centre

Does this fit your vehicle?

Description

Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.

Collector Attachment	3-Bolt Flange
Collector Diameter	3.5 in
Collector Port Diameter	3.5 in
Color	Silver
Cylinder Head Port Shape	Round
Design	Full-length
EGT Port	No
EmissionFullDES	3 - This Product is LEGAL for Closed Course Competition use or Pre-Emissions Controlled Vehicles ONLY. It is Not Legal for use on any Emissions Controlled Vehicle for Street or Off Highway use.
Finish	Metallic Ceramic Coated
Flange Thickness	0.375 in
Gasket Or Seal Included	Yes
Gaskets Included	Yes
Grade Type	Performance
Header Material	Steel
Header Style	Full-length
Material	Steel
Mounting Hardware Included	Yes
Oxygen Sensor Port	No
Port Shape	Round
Primary Tube Outside Diameter	1.875 in
Primary Tubing Diameter	1.875 in
Sheen Level	Semi-Gloss
Tube Wall Thickness	16 ga.
Brand	Doug's Headers
Mfg part #	D581

Fits these vehicles

Year	Make	Model	Engine
1970	Pontiac	Firebird	5.7L 350 V8, 6.6L 400 V8
1971 - 1976	Pontiac	Firebird	5.7L 350 V8, 6.6L 400 V8, 7.5L 455 V8
1977 - 1979	Pontiac	Firebird	5.7L 350 V8, 6.6L 400 V8, 6.6L 403 V8

Doug's Headers Long Tube Header 70-81 Firebird 455 W/HO/SD/Ram Air Heads only 1 7/8" Primary 3 1/2" Collector Silver Ceramic Coated

Does this fit your vehicle?

Description

Fits these vehicles

Sign up for sales, arrivals, vehicle specific content and more.