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Doug's Headers 1979-93 Fox Body Mustang/Mercury Capri Small Block 1 3/4" Long Tube Header D6671

Doug's Headers 1979-93 Fox Body Mustang/Mercury Capri Small Block 1 3/4" Long Tube Header D6671
Doug's Headers 1979-93 Fox Body Mustang/Mercury Capri Small Block 1 3/4" Long Tube Header D6671
from $1,651.08 st

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Model: 5124769
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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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.
Features:
  • 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
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
D6671.pdf256.1KB

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 Mustang 1979 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1980 5.0L / 302 / V8
4.2L / 255 / V8		 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1981 5.0L / 302 / V8
4.2L / 255 / V8		 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1982 5.0L / 302 / V8
4.2L / 255 / V8		 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1983 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1984 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1985 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1986 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1987 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1988 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1989 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1990 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1991 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1992 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Ford Mustang 1993 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Mercury Capri 1979 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Mercury Capri 1980 4.2L / 255 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Mercury Capri 1981 4.2L / 255 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Mercury Capri 1982 4.2L / 255 / V8
5.0L / 302 / V8		 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Mercury Capri 1983 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Mercury Capri 1984 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Mercury Capri 1985 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length
Mercury Capri 1986 5.0L / 302 / V8 O2 bungs are welded on both collectors.
'79-'85 models require use of '86 or later double hump crossmember.
Fits with '82 and later Lakewood scattershield.
Fits Stock, GT40, Dart, Edelbrock and TFS Twisted Wedge Street heads.
Will not fit GT40 "P" heads.
Full-length

Specifications:

Collector Attachment 3-Bolt Flange
Collector Diameter 3.0 IN
Collector Port Diameter 3.0 IN
Cylinder Head Port Shape SAP
Design Full-length
Flange Thickness 0.375 IN
Gasket Or Seal Included Yes
Gaskets Included Yes
Grade Type Performance
Header Style Full-length
Mounting Hardware Included Yes
Oxygen Sensor Port Yes
Part Type Exhaust Header
Port Shape SAP
Primary Tube Outside Diameter 1.75 IN
Proposition 65 www.P65Warnings.ca.gov
Tube Wall Thickness 16 GU
Warranty Time 24 Months

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