Rebate
Rebate
|
#447D371YSS
$925.13
/pair
Factory Shipped
$1,017.64
Save $92.51
Quantity
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Tri-Y Header Tube Type, Standard Flange Style, Raw
Rebates Available
See rebate details| MFG. Part # | D371Y-SS |
| Header Tube Type | Tri-Y |
| Flange Style | Standard |
| Primary Tube Diameter | 1-5/8" |
| Material Type | 304 Stainless Steel |
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855.313.9176Quick and Easy Returns
Return PolicyExperience is in Doug's Headers DNA. They have been a respected name since the 1960s and remain one of today's most popular brands among muscle car enthusiasts who don't sacrifice quality and fit when it comes to their vehicle.
Doug's stainless steel headers will give the greatest increases in horsepower and torque across the entire rpm spectrum, and they are meticulously designed to provide maximum power and the highest quality available. Available in many fitments, choose a set designed for your vehicle.
Application
1967-1972 Chevrolet C10, C20, C30, K10, K20, C15/C1500, C25/C2500, C35/C3500, K15/K1500, K25/K2500, K35/K3500 Pickup/Suburban
1969-1972 Chevrolet Blazer/Jimmy
Specs
304 Stainless Steel
16 Gauge
1.625" Primary Tubing Diameter
2.5" Collector Port Diameter
Rebates
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
Doug's Headers warrants that their products will be free from defects in material and workmanship for a period of 1 year. The use of header wrap voids this warranty, and rust is not covered under this warranty.
For race/ off road use only
CA WARNING:
Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov
| KEY SPECS | |
|---|---|
| MFG. Part # | D371Y-SS |
| Brand | Doug's Headers |
| Header Tube Type | Tri-Y |
| Flange Style | Standard |
| Primary Tube Diameter | 1-5/8" |
| Material Type | 304 Stainless Steel |
| Weld-Up | No |
| Collector Diameter | 2-1/2 Inch |
| Finish | Raw |
| Hardware Included | Yes |
| Gasket(s) Included | Yes |
| Collector Reducers Included | Yes |
| Collector Reducer Exit Diameter | 2.5" |
| Collector Attachment Type | 3-bolt flange |
| GENERAL | |
| Sold in Quantity | Pair |
| GTIN Code | 694342557614 |
| Notes | Necessary mounting hardware, collector reducers or connector pipes, premium gaskets, and detailed installation instruction sheets are included |
| Tuned | No |
| Crossover Pipe Included | No |
| Transmission Mount Included | No |
| Catalytic Converter(s) Included | No |
| Motor Mounts Included | No |
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