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#447D661Y
$950.73
/set
Factory Shipped
$1,056.37
Save $105.64
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Tri-Y Header Tube Type, Standard Flange Style, Steel
Rebates Available
See rebate details| MFG. Part # | D661Y |
| Header Tube Type | Tri-Y |
| Flange Style | Standard |
| Primary Tube Diameter | 1-5/8" |
| Material Type | Steel |
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855.313.9176Quick and Easy Returns
Return PolicyDoug'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.
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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
For use on pre-1966 vehicles only
CA WARNING:
Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov
| KEY SPECS | |
|---|---|
| MFG. Part # | D661Y |
| Brand | Doug's Headers |
| Header Tube Type | Tri-Y |
| Flange Style | Standard |
| Primary Tube Diameter | 1-5/8" |
| Material Type | Steel |
| Color | Silver |
| Weld-Up | No |
| Collector Diameter | 2-1/2 Inch |
| Finish | Ceramic Coated |
| Hardware Included | Yes |
| Gasket(s) Included | Yes |
| GENERAL | |
| Sold in Quantity | Pair |
| GTIN Code | 694342535407 |
1 Question • 1 Answer
What is the collector size? Do you have any recommendations for exhaust system, I'm working on a 63 1/2 falcon figuring on using mustang exhaust system. Been looking for a full length dual system without H pipe or crossover to match headers. Thanks
by Mike
• 8 years ago
1 answer
View Answer
1 of 1 questions shown
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