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Doug's Headers D669Y-1 Tri-Y Header, 1-3/4 In, 67-70 Mustang, CC

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#447D669Y1

Doug's Headers D669Y-1 Tri-Y Header, 1-3/4 In, 67-70 Mustang, CC

Name: Doug's Headers D669Y-1 Tri-Y Header, 1-3/4 In, 67-70 Mustang, CC
Brand: Doug's Headers
SKU: 447D669Y1
Price: 953.21 USD
Availability: InStock
Rating: 5 (1 reviews)

1 Review

1 Question

$953.21

/set

Factory Shipped

$1,059.12

Save $105.91

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Product Summary

Tri-Y Header Tube Type, Standard Flange Style, Steel

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Key Specs

MFG. Part #	D669Y-1
Header Tube Type	Tri-Y
Flange Style	Standard
Primary Tube Diameter	1-3/4"
Material Type	Steel

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Need To Know

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855.313.9176

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Doug's Headers D669Y-1 Details

Doug's PASSENGER CAR HEADERS Tri-Y Metallic Ceramic Coated Header development and design is complex and requires a substantial amount of time and resources to do the job right! Many manufacturers are unwilling to make the commitment and instead offer compromised headers at lower prices. Doug's will not compromise performance, quality or fit to compete with inferior designs at cheap prices. 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 a 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.

3/8" Thick machined flanges...no warping
CNC mandrel bent tubes... accurate fit & better flow
Tri-Y headers yield maximum power from off idle to 4500 RPM making them well suited for applications demanding maximum mid-range torque with maximum fuel economy
Heavy 16 gauge tubing...longer life
Tubes are pre-polished to remove scratches and the header isfinished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees

Doug's Headers D669Y-1 1 3/4" Tri-Y Header Ford Mustang 351W 67-70 Metallic Ceramic Coating
Tri-Y Design - Ceramic Coated
Collector: 3
Port: SAP
Primary: 1 3/4 - 2
exc. states w/Calif. emission stds
Fits only World Products heads with wide 3 in. center to center exhaust bolt pattern
Requires power steering bracket H7609.
with Floor Shifter
with A/C
For Off-Road Use Only

Doug's Headers D669Y-1 1 3/4" Tri-Y Header Ford Mustang 351W 67-70 Metallic Ceramic Coating
Tri-Y Design - Ceramic Coated
Collector: 3
Port: SAP
Primary: 1 3/4 - 2
exc. states w/Calif. emission stds
Fits only World Products heads with wide 3 in. center to center exhaust bolt pattern
Requires power steering bracket H7609.
with Floor Shifter
with A/C
For Off-Road Use Only

Application

1966-1970 Ford Fairlane
1967-1970 Ford Mustang
1966-1970 Ford Ranchero
1968-1970 Ford Torino
1966-1969 Mercury Comet
1967-1970 Mercury Cougar

Charts

Installation Instructions (PDF)

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Guides & Documents

Headers Installation Instructions (447D669Y1)

CARB Warning

For use on pre-1966 vehicles only

Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Doug's Headers D669Y-1 Specifications

KEY SPECS
MFG. Part #	D669Y-1
Brand	Doug's Headers
Header Tube Type	Tri-Y
Flange Style	Standard
Primary Tube Diameter	1-3/4"
Material Type	Steel
Color	Silver
Weld-Up	No
Collector Diameter	3 Inch
Finish	Ceramic Coated
Hardware Included	Yes
Gasket(s) Included	Yes

GENERAL
Sold in Quantity	Pair
GTIN Code	694342510701

Ratings & Reviews

1 Review

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1 reviews

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Dougs D669Y

5.0

a year ago

The Mechanic

Philadelphia PA

Verified

Excellent fit. 351W. 67-70 Mustang. 67-69 Fairlane. 67-69 Cougar. 67-69 Falcon.

Would Recommend

Showing 1 of 1 reviews

Questions & Answers

1 Question • 1 Answer

Sort Questions

Do these have 13/4" ports?

by Forrest

• a year ago

1 answer

View Answer

1 of 1 questions shown

Fitment

1988-1989 DeTomaso Pantera

Ford 351W

1978-1996 Ford Bronco

Ford 351W

1969-1974 Ford Country Sedan

Ford 351W

1969-1974 Ford Country Squire

Ford 351W

1969-1972 Ford Custom

Ford 351W

1969-1977 Ford Custom 500

Ford 351W

1975-1983 Ford E-100 Econoline

Ford 351W

1975-1983 Ford E-100 Econoline Club Wagon

Ford 351W

1975-1996 Ford E-150 Econoline

Ford 351W

1975-1996 Ford E-150 Econoline Club Wagon

Ford 351W

1975-1996 Ford E-250 Econoline

Ford 351W

1975-1991 Ford E-250 Econoline Club Wagon

Ford 351W

1975-1996 Ford E-350 Econoline

Ford 351W

1977-1996 Ford E-350 Econoline Club Wagon

Ford 351W

1996 Ford Econoline Super Duty

Ford 351W

1975-1976 Ford Elite

Ford 351W

1978-1979 Ford F-100

Ford 351W

1981 Ford F-100

Ford 351W

1978-1996 Ford F-150

Ford 351W

1978-1997 Ford F-250

Ford 351W

1978-1997 Ford F-350

Ford 351W

1969-1970 Ford Fairlane

Ford 351W

1969-1970 Ford Falcon

Ford 351W

1969-1974 Ford Galaxie 500

Ford 351W

1972-1976 Ford Gran Torino

Ford 351W

1975-1977 Ford Granada

Ford 351W

1969-1986 Ford LTD

Ford 351W

1987-1991 Ford LTD Crown Victoria

Ford 351W

1977-1979 Ford LTD II

Ford 351W

1969-1973 Ford Mustang

Ford 351W

1995 Ford Mustang

Ford 351W

1969-1974 Ford Ranch Wagon

Ford 351W

1969-1979 Ford Ranchero

Ford 351W

1977-1979 Ford Thunderbird

Ford 351W

1969-1976 Ford Torino

Ford 351W