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Doug's Headers D6652-B Full Length Header, 1-3/4 In, 60-73 Ford, Blk

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#447D6652B

Doug's Headers D6652-B Full Length Header, 1-3/4 In, 60-73 Ford, Blk

Fits Ford Mustang 64-73, Fairlane 66-67, Falcon 60-65, Cougar 67-68, and Coyote 5.0 Swap
3/8" Thick machined flanges resist warping
CNC mandrel bent tubes for an accurate fit & better flow

Finish:

Painted

$824.69

Factory Shipped

$907.16

Save $82.47

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Product Summary

Long Tube Header Tube Type, Standard Flange Style

Fits Ford Mustang 64-73, Fairlane 66-67, Falcon 60-65, Cougar 67-68, and Coyote 5.0 Swap
3/8" Thick machined flanges resist warping
CNC mandrel bent tubes for an accurate fit & better flow
Heavy 16 gauge tubing improves lifespan
Made from steel and painted in hi-temp black

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Key Specs

MFG. Part #	D6652-B
Header Tube Type	Long Tube
Flange Style	Standard
Primary Tube Diameter	1-3/4"
Material Type	Steel

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Doug's Headers D6652-B Details

Doug's PASSENGER CAR HEADERS Long Tube Hi-Temp Black 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
Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower
Heavy 16 gauge tubing...longer life
Tubes are pre-polished to remove scratches and the header isfinished with a Hi-Temp Black Coating

Doug's Headers D6652-B 1 3/4" 4-Tube Full Length Header Ford Mustang 64-73 Fairlane 66-67 Falcon 60-65 Cougar 67-68 Coyote 5.0 Swap with TCI and similar Mustang II front suspension rack conversions, Hi-Temp Black Coating
Will not fit original/stock style front end chassis applications

Doug's Headers D6652-B 1 3/4" 4-Tube Full Length Header Ford Mustang 64-73 Fairlane 66-67 Falcon 60-65 Cougar 67-68 Coyote 5.0 Swap with TCI and similar Mustang II front suspension rack conversions, Hi-Temp Black Coating
Will not fit original/stock style front end chassis applications

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Aeromotive & PerTronix Black Friday 10% Off Sale

Black Friday Savings Are Here! From November 1 2026 through November 30 2026, save 10% on all Aeromotive and PerTronix products, including top performance brands like Doug's Headers, Taylor Cable, and JBA Performance Exhaust. Whether you're upgrading your fuel system, ignition components, headers, spark plug wires, or exhaust setup, this limited-time offer makes it easy to get premium performance parts at a great price. No coupon required, just shop qualifying Aeromotive and PerTronix brands and enjoy instant savings all month long.

Guides & Documents

Headers Installation Instructions (447D6652B)

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. 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 D6652-B Specifications

KEY SPECS
MFG. Part #	D6652-B
Brand	Doug's Headers
Header Tube Type	Long Tube
Flange Style	Standard
Primary Tube Diameter	1-3/4"
Material Type	Steel
Color	Black
Weld-Up	No
Collector Diameter	3 Inch
Finish	Hi-Temp Black
Hardware Included	Yes
Gasket(s) Included	Yes

GENERAL
Sold in Quantity	Pair
GTIN Code	694342543747

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