Product Summary

267, 305, 307, 350, 265, 350, 400, Ceramic Coated

  • Incomplete
  • This product is missing one or more items for complete installation, such as hardware, gaskets, etc

Key Specs

Garage Sale TypeIncomplete
Header Tube TypeFull-length
FinishCeramic Coated
Flange StyleStandard
Primary Tube Diameter1-3/4"

Need To Know

This Product Will Ship Free

Shipping Policies & FAQs

Ineligible for Return

Contains items that cannot be returned

Dougs Headers D324 Details

Garage Sale Product

These are Garage Sale priced because they have some scuffs/scratches in the finish.  Does NOT include gaskets, hardware, or collectors.


Doug's PASSENGER CAR HEADERS Long Tube 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
  • Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower
  • 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


1980-1981 Chevrolet Camaro 4.4L/267 V8
1970-1981 Chevrolet Camaro 5.7L/350 V8
1976-1981 Chevrolet Camaro 5L/305 V8
1970-1973 Chevrolet Camaro 5L/307 V8
1975-1979 Chevrolet Nova 5.7L/350 V8
1976-1978 Chevrolet Nova 5L/305 V8
1981 Pontiac Firebird 4.3L/265 V8
1970-1979 Pontiac Firebird 5.7L/350 V8
1977-1981 Pontiac Firebird 5L/305 V8
1970-1974 Pontiac Firebird 6.6L/400 V8


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.

Dougs Headers D324 Specifications

MFG. Part #D324
BrandDougs Headers
Garage Sale TypeIncomplete
Header Tube TypeFull-length
FinishCeramic Coated
Flange StyleStandard
Primary Tube Diameter1-3/4"
Material TypeSteel
Collector Diameter3 Inch
Hardware IncludedNo
Gasket(s) IncludedNo
Collector Reducers IncludedNo
Sold in QuantityPair
GTIN Code694342532581