Rebate

Doug's Headers D357Y Tri-Y Header, 1-5/8 In, 55-57 Chevy, CC

Rebate

#447D357Y

Doug's Headers D357Y Tri-Y Header, 1-5/8 In, 55-57 Chevy, CC

Name: Doug's Headers D357Y Tri-Y Header, 1-5/8 In, 55-57 Chevy, CC
Brand: Doug's Headers
SKU: 447D357Y
Price: 1039.35 USD
Availability: InStock

Write a Review

Ask a Question

$1,039.35

/set

Factory Shipped

$1,143.29

Save $103.94

Quantity

Need Help? Call to Order

Add to a list

Select a vehicle and engine to verify Fitment

Select Vehicle

Select Engine

Product Summary

Tri-Y Header Tube Type, Oval Exhaust Port Shape, Steel

Rebates Available

See rebate details

See more details

Key Specs

MFG. Part #	D357Y
Header Tube Type	Tri-Y
Exhaust Port Shape	Oval
Flange Style	Standard
Primary Tube Diameter	1-5/8"

See more specs

Need To Know

Need help?

855.313.9176

View the Help Center

Quick and Easy Returns

Return Policy

Doug's Headers D357Y Details

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 D357Y 1 5/8" Tri-Y Header Chevrolet Passenger Car/Wagon Small Block Chevrolet 55-57 Metallic Ceramic Coating
Tri-Y Design - Ceramic Coated
Collector: 2 1/2
Port: OVL
Primary: 1 5/8 - 2
exc. states w/Calif. emission stds
Fits D-Port heads
Use orig. style V8 pitman arm
Fits 605 steering
Will not fit if eng. is 3/4+ in. forward
Fits TCI mount kit 725-7005-80
Fits W/Danchuk mounts
with A/C
For Off-Road Use Only
with Column Shift
with Floor Shifter

Doug's Headers D357Y 1 5/8" Tri-Y Header Chevrolet Passenger Car/Wagon Small Block Chevrolet 55-57 Metallic Ceramic Coating
Tri-Y Design - Ceramic Coated
Collector: 2 1/2
Port: OVL
Primary: 1 5/8 - 2
exc. states w/Calif. emission stds
Fits D-Port heads
Use orig. style V8 pitman arm
Fits 605 steering
Will not fit if eng. is 3/4+ in. forward
Fits TCI mount kit 725-7005-80
Fits W/Danchuk mounts
with A/C
For Off-Road Use Only
with Column Shift
with Floor Shifter

Application

1956-1957 Chevrolet Bel Air 4.3L/265 V8
1957 Chevrolet Bel Air 4.6L/283 V8
1955-1956 Chevrolet Corvette 4.3L/265 V8
1957 Chevrolet Corvette 4.6L/283 V8

Charts

Installation Instructions (PDF)

Rebates

Aeromotive & PerTronix Black Friday 10% Off Sale

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

Headers Installation Instructions (447D357Y)

CARB Warning

For use on pre-1966 vehicles only

Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Doug's Headers D357Y Specifications

KEY SPECS
MFG. Part #	D357Y
Brand	Doug's Headers
Header Tube Type	Tri-Y
Exhaust Port Shape	Oval
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	694342509125

Ratings & Reviews

Be the first to write a review.

Questions & Answers

Be the first to ask a question.

Fitment

1959 Chevy 3A

2-Piece Rear Main Chevy 283

1959 Chevy 3B

2-Piece Rear Main Chevy 283

1959 Chevy 3C

2-Piece Rear Main Chevy 283

1959 Chevy 3D

2-Piece Rear Main Chevy 283

1959 Chevy 3E

2-Piece Rear Main Chevy 283

1959 Chevy 3F

2-Piece Rear Main Chevy 283

1959 Chevy 3G

2-Piece Rear Main Chevy 283

1957 Chevy Bel Air

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958-1967 Chevy Bel Air

2-Piece Rear Main Chevy 283

1958-1967 Chevy Biscayne

2-Piece Rear Main Chevy 283

1958-1961 Chevy Brookwood

2-Piece Rear Main Chevy 283

1960-1967 Chevy C10

2-Piece Rear Main Chevy 283

1960-1967 Chevy C10 Suburban

2-Piece Rear Main Chevy 283

1960-1967 Chevy C20

2-Piece Rear Main Chevy 283

1960-1967 Chevy C20 Suburban

2-Piece Rear Main Chevy 283

1960-1967 Chevy C30

2-Piece Rear Main Chevy 283

1966-1967 Chevy Caprice

2-Piece Rear Main Chevy 283

1964-1967 Chevy Chevelle

2-Piece Rear Main Chevy 283

1963-1967 Chevy Chevy II

2-Piece Rear Main Chevy 283

1957-1961 Chevy Corvette

2-Piece Rear Main Chevy 283

1957 Chevy Del Ray

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958 Chevy Del Ray

2-Piece Rear Main Chevy 283

1959-1960 Chevy El Camino

2-Piece Rear Main Chevy 283

1964-1967 Chevy El Camino

2-Piece Rear Main Chevy 283

1967 Chevy G20 Van

2-Piece Rear Main Chevy 283

1958-1967 Chevy Impala

2-Piece Rear Main Chevy 283

1960-1967 Chevy K10

2-Piece Rear Main Chevy 283

1960-1967 Chevy K10 Suburban

2-Piece Rear Main Chevy 283

1960-1967 Chevy K20

2-Piece Rear Main Chevy 283

1967 Chevy K20 Panel

2-Piece Rear Main Chevy 283

1960-1967 Chevy K20 Suburban

2-Piece Rear Main Chevy 283

1959-1961 Chevy Kingswood

2-Piece Rear Main Chevy 283

1964-1967 Chevy Malibu

2-Piece Rear Main Chevy 283

1957 Chevy Nomad

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958-1961 Chevy Nomad

2-Piece Rear Main Chevy 283

1957 Chevy One-Fifty Series

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1961-1962 Chevy P30 Series

2-Piece Rear Main Chevy 283

1959-1961 Chevy Parkwood

2-Piece Rear Main Chevy 283

1957 Chevy Sedan Delivery

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958 Chevy Sedan Delivery

2-Piece Rear Main Chevy 283

1947-1959 Chevy Suburban

2-Piece Rear Main Chevy 265

1960-1967 Chevy Suburban

2-Piece Rear Main Chevy 283

1955 Chevy Truck

2-Piece Rear Main Chevy 265

1957 Chevy Truck

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958 Chevy Truck

2-Piece Rear Main Chevy 283

1960 Chevy Truck

2-Piece Rear Main Chevy 283

1955 Chevy Two-Ten Series

2-Piece Rear Main Chevy 265

1957 Chevy Two-Ten Series

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1958 Chevy Yeoman

2-Piece Rear Main Chevy 283

1966 GMC 1000

2-Piece Rear Main Chevy 283

1960 GMC 1000 Series

2-Piece Rear Main Chevy 283

1962-1965 GMC 1000 Series

2-Piece Rear Main Chevy 283

1960-1965 GMC 1500 Series

2-Piece Rear Main Chevy 283

1966 GMC 2500

2-Piece Rear Main Chevy 283

1960-1965 GMC 2500 Series

2-Piece Rear Main Chevy 283

1960-1966 GMC 3000

2-Piece Rear Main Chevy 283

1960-1966 GMC 3500

2-Piece Rear Main Chevy 283

1967 GMC C25/C2500 Pickup

2-Piece Rear Main Chevy 283

1967 GMC C25/C2500 Suburban

2-Piece Rear Main Chevy 283

1967 GMC C35/C3500 Pickup

2-Piece Rear Main Chevy 283

1967 GMC K25/K2500 Pickup

2-Piece Rear Main Chevy 283

1967 GMC K25/K2500 Suburban

2-Piece Rear Main Chevy 283

1967 GMC K35/K3500 Pickup

2-Piece Rear Main Chevy 283

1966 GMC P1000

2-Piece Rear Main Chevy 283

1955-1959 GMC Suburban

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1960-1966 GMC Suburban

2-Piece Rear Main Chevy 283

1955 GMC Truck

2-Piece Rear Main Chevy 265

1956-1960 GMC Truck

2-Piece Rear Main Chevy 265
2-Piece Rear Main Chevy 283

1965-1966 Studebaker Commander

2-Piece Rear Main Chevy 283

1965-1966 Studebaker Cruiser

2-Piece Rear Main Chevy 283

1965-1966 Studebaker Daytona

2-Piece Rear Main Chevy 283

1966 Studebaker Wagonaire

2-Piece Rear Main Chevy 283