Doug's Headers 1962-70 Ford Mustang/Falcon/Comet/Cougar Small Block 1 5/8" TRI-Y Header D661Y

Name: Doug's Headers 1962-70 Ford Mustang/Falcon/Comet/Cougar Small Block 1 5/8" TRI-Y Header D661Y
Brand: Doug's Headers
SKU: 5124765
Price: 1601.948125244311 CAD
Availability: OnlineOnly

from $1,601.95 st

Available Options

Model: 5124765

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Description Vehicle Fitment Downloads Specifications Reviews (0) Product Q&A Related Products

Doug's is the pioneering force behind the popular TRI-Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid-range torque without sacrificing top end power. TRI-Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency.

Features:

3/8" thick machined flanges to prevent warping
CNC mandrel bent tubes ensure accurate fit and better flow
Heavy 16-guage tubing for longer life
Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating

About Doug's Headers

Doug's Headers are a fixture in the motorsports aftermarket, pioneering quality muscle car performance headers for decades. Unlike the competition, Doug's Headers prides ourselves on superior design detail resulting in a hassle-free installation for any application.

Downloads:

Download Name	File Size
D661Y.pdf	253.53KB
D661Y-B.pdf	253.53KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.

Make	Model	Years	Engine	Fitment Notes
Ford	Falcon	1962	4.3L / 260 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Falcon	1963	4.3L / 260 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Falcon	1964	4.3L / 260 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Mustang	1964	4.3L / 260 / V8 4.7L / 289 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Mustang	1965	4.3L / 260 / V8 4.7L / 289 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Mustang	1966	4.7L / 289 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Mustang	1967	4.7L / 289 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Mustang	1968	5.0L / 302 / V8 4.7L / 289 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Mustang	1969	5.0L / 302 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Mustang	1970	5.0L / 302 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Ranchero	1962	4.3L / 260 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Ranchero	1963	4.3L / 260 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Ranchero	1964	4.3L / 260 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Ford	Ranchero	1965	4.7L / 289 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Mercury	Comet	1962	4.3L / 260 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Mercury	Comet	1963	4.3L / 260 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Mercury	Comet	1964	4.7L / 289 / V8 4.3L / 260 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Mercury	Comet	1965	4.7L / 289 / V8 4.3L / 260 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Mercury	Cougar	1967	4.7L / 289 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Mercury	Cougar	1968	5.0L / 302 / V8 4.7L / 289 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Mercury	Cougar	1969	5.0L / 302 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y
Mercury	Cougar	1970	5.0L / 302 / V8	Tri Y design Will not fit GT40 "P" heads Fit OE Suspension AND Mustang II style conversions Will fit with AOD Transmissions Tri-Y

Specifications:

Collector Attachment	3-Bolt Flange
Collector Diameter	2.5 IN
Collector Port Diameter	2.5 IN
Cylinder Head Port Shape	SAP
Design	Tri-Y
Flange Thickness	0.375 IN
Gasket Or Seal Included	Yes
Gaskets Included	Yes
Grade Type	Performance
Header Style	Tri-Y
Mounting Hardware Included	Yes
Oxygen Sensor Port	No
Part Type	Exhaust Header
Port Shape	SAP
Primary Tube Outside Diameter	1.625 IN
Proposition 65	www.P65Warnings.ca.gov
Tube Wall Thickness	16 GU
Warranty Time	24 Months

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Doug's Headers 1962-70 Ford Mustang/Falcon/Comet/Cougar Small Block 1 5/8" TRI-Y Header D661Y

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