Which vehicles does the Doug's Headers D581-SS 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; 304 Stainless Steel; Full-length

How much is shipping and when does it ship?

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

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 304 Stainless

Mfg Part #: D581-SS
SKU: DOUD581-SS
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; 304 Stainless Steel; Full-length

Fits 1970 to 1979 Pontiac Firebird. See every vehicle

Natural stainless-steel finish offers superior resistance to rust and corrosion
3/8" thick 304 stainless machine flanges to prevent warping
CNC 304 stainless mandrel bent tubes for an accurate fit and improved flow
Precision formed long transition collectors and long tube design reduce backpressure and increase higher RPM horsepower

$1,474.99 CAD

Free shipping in Canada

Availability:

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	304 Stainless Steel
Flange Thickness	0.375 in
Gasket Or Seal Included	Yes
Gaskets Included	Yes
Grade Type	Performance
Header Material	304 Stainless Steel
Header Style	Full-length
Material	304 Stainless 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	Satin
Tube Wall Thickness	16 ga.
Brand	Doug's Headers
Mfg part #	D581-SS

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