Doug's Headers D665 Shorty Header, 1-5/8 In, 64-73 Mustang, CC
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Doug's PASSENGER CAR HEADERS Mid Length Metallic Ceramic CoatedHeader 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
- Mid length headers provide improved groungd clearance for popular muscle cars and street rods
- 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
Application1964-1965 Ford Mustang 4.3L/260 V8
1964-1968 Ford Mustang 4.7L/289 V8
1968-1973 Ford Mustang 5L/302 V8
1969-1973 Ford Torino 5L/302 V8
1967-1968 Mercury Cougar 4.7L/289 V8
1968-1971 Mercury Cougar 5L/302 V8
- Doug's Headers D665 1 5/8" 4-Tube Shorty Header Ford Mustang Small Block Ford 64-73 Metallic Ceramic Coating
- Shorty Design - Ceramic Coated
- Collector: 3
- Primary: 1 5/8
- Use 65-66 Non Hi-Po V8 clutch equalizer bar and 66.5 or later frame brackets
- Lakewood bell housings require clearancing
- Use C5ZZ16A052E brace if shock mount ctr. to ctr.less than 33 3/4 in
- Will not fit GT40 P heads
- exc. states w/Calif. emission stds
- Lakewood housings require clearancing
- Use C5ZZ16A052E brace if shock mount ctr. to ctr.is less than 33 3/4 in
- With A/c
- For Off-Road Use Only
- with Floor Shifter
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Q & A
Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
Our Tru-Ram Exhaust Manifolds are one of our most popular items. Tim provides more details about them and gives you a great look at them.
Tim gives a little bit of history on the Ford Y Block and shows some of the parts we have to offer.
Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.