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Hooker Super Competition Shorty Headers - Ceramic Coated

Fits 1986-1990 Camaro/Firebird: 305-350 Tube Size 1.625" O.D., Collector Size 3", O.D., Collector Length 3", Port Shape: Same As Port, Includes Y-Pipe, CARB EXECUTIVE ORDER D-164-5

PART# 2055-1HKR

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Fits 1986-1990 Camaro/Firebird with 305-350 engines. The primary tube size is 1.625" outside diameter, and the collector size is 3" outside diameter with a collector length of 3". The port shape is the same as the port on the heads. Includes mandrel bent high flow Y-pipe. C.A.R.B. EO #D-164-5.


  • Tuned-length primary tubes for maximum exhaust scavenging and velocity
  • This is a 50-State Legal header (C.A.R.B. EO #D-164-5).
  • Will accommodate all emission control devices
  • Designed as a high-performance, direct fit replacement for OEM exhaust manifolds
  • Industry’s best welds for durability
  • 3/8” machined flanges for a perfect seal
  • Light weight & sturdy 16 gauge tubing
  • Mandrel-bent tubing for smooth exhaust flow
  • All necessary hardware is included for a simple installation
  • Legal for sale and installation in California


CARB (California) CompliantYes
CARB EO#D-164-5
Collector Diameter3.00 inch
Emission Code1
EngineChevrolet Small Block
Header FinishSilver Ceramic
Header StyleShorty
Primary Tube Dia.1-5/8 inch
Product TypeHeaders
Tube MaterialMild Steel
Part Number2055-1HKR



This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturers application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

Tech Resources

Fits TPI engines with single 3" catalytic converter only. Includes a high flow Y-pipe. Breaking in an engine with ceramic coated headers WILL result in damage to the coating and will VOID all warranties. Hooker recommends using cast iron exhaust manifolds or old headers during your engine break-in period to avoid damaging your coated damage. Please call Hooker tech service at 270-781-9741 for additional information regarding ceramic coated exhaust products. The use of header wraps can cause the header tubes to crack or rust due to excessive heat and moisture build-up. Hooker does not recommend the use of header wraps as this will void the warranty.


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