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Hooker Super Competition Long Tube Headers - Painted

67-69 Camaro, 68-74 Nova: 396-502 Tube Size 2.25" x 28" - 35", Collector Size 4", Collector Length 12", Port Shape: Round


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Estimated shipping date: 03/23/2021
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Hooker Adjustable race headers allow you to change your header primary tube lengths, collector lengths and diameters and collector types (Classic 4 into 1, Merged and Split-Flow). By altering the relationship between the primary length and collector diameter and length it is possible to increase or decrease the torque and horsepower output at any specific R.P.M. level. For a slick track the header primaries or collectors can be shortened to decrease the low end torque for better traction. Larger diameter collectors will also reduce low end torque. On a good track with lots of bite, extending the primaries or collectors will pick up bottom end power for a harder launch and awesome e.t.'s. Smaller collector diameters will also increase low end torque. Hooker adjustable headers have taken more Pro Stock drivers to the championship than any other brand.


  • Keep Top End Horsepower
  • Most Durable Available
  • Long Transition Collectors
  • Monstrous Low-Mid Range Torque
  • Provides Finest Fit
  • Long Tube Lengths


Collector Diameter4.00 inch
Emission Code4
EngineBig Block Chevy
Header FinishBlack Paint
Header StyleLong Tube
Primary Tube Dia.2-1/4 inch
Product TypeHeaders
Tube MaterialMild Steel
Part Number2401HKR



This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Tech Resources

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. Hooker long tube headers do not come with header reducers.


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