Doug's Headers D661Y Tri-Y Header, 1-5/8 In, 60-70 Ford, CC

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 D661Y 1 5/8" Tri-Y Header Ford 64 1/2-70 Mustang, 67-68 Cougar, 62-65 Ranchero, 60-65 Falcon and Comet Small Block Ford with TCI and similar Mustang II front suspension rack conversions Metallic Ceramic Coating
• Tri-Y Design - Ceramic Coated
• Fits TCI, Heidt's, or similar Mustang II style front suspension conversion
• Will not fit original/stock style front end chassis applications
• Fits with Modern Driveline T5 cable clutches and AOD transmissions
• With Floor Shifter
• with A/C

• Doug's Headers D661Y 1 5/8" Tri-Y Header Ford 64 1/2-70 Mustang, 67-68 Cougar, 62-65 Ranchero, 60-65 Falcon and Comet Small Block Ford with TCI and similar Mustang II front suspension rack conversions Metallic Ceramic Coating
• Tri-Y Design - Ceramic Coated
• Fits TCI, Heidt's, or similar Mustang II style front suspension conversion
• Will not fit original/stock style front end chassis applications
• Fits with Modern Driveline T5 cable clutches and AOD transmissions
• With Floor Shifter
• with A/C

Installation Instructions (PDF)