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Hooker Competition Long Tube Headers - Stainless

Fits 1967-1974 Camaro,1965-1974 Chevy Full Size, 1964-1974 Chevelle/El Camino, 1970-1974 Monte Carlo, 1968-1974 Nova, 283-400ci Small Block Chevy, 1.625" Primary Tube x 3.00" O.D Collector Size

PART# 2451-2HKR

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Overview

Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer who is running either a "stock" or "mildly-modified" engine, Hooker Competition headers offer premium features at a very competitive price. Made of durable 304 stainless steel tubing, the Hooker Competition header design utilizes a long transition collector to reduce back pressure and increase exhaust flow. A perfect sealing surface is assured with the 5/16" machined flanges. Experience has proven that this flange size is ideal to maintain header integrity and be pliable enough to seal each exhaust port. Tubing is mandrel-bent to maintain metal strength and provide consistent tube diameter at radii to maximize performance. Hooker Competition headers have a standard finish that features a heat-cured, high-heat-resistant paint. Optionally, the famous Hooker Ceramic Thermal Barrier Coating is available.

Features:

  • 5/16” machined flanges for a perfect seal
  • Long transition collector for decreased back pressure
  • Light weight & sturdy 16 gauge tubing
  • Mandrel-bent tubing for smooth exhaust flow
  • Tuned-length primary tubes for street performance
  • Industry’s best welds for durability
  • designed for easy, trouble-free fit
  • All necessary hardware included for a complete installation
  • Works with factory power steering and power brakes

Specs

BrandHooker
Collector Diameter3.00 inch
Emission Code4
EngineChevrolet Small Block Gen I
Header FinishNatural
Header Flange Thickness (in)5/16 inch
Header StyleLong Tube
Primary Tube Dia.1-5/8 inch
Product TypeHeaders
Tube Material304 Stainless Steel
Part Number2451-2HKR

Emissions

4

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

NOTE: Installation requires air conditioning bracket Part #10925HKR left side or Part #10926HKRright side.
This header is designed to fit multiple vehicle applications. As such, the collectors exit at two different heights in order to accommodate them all. If you are looking for a header with more available ground clearance, please check out part number 2466HKR or the Super Competition header designed specifically for your vehicle. Factory style motor mounts must be used to ensure proper engine locations and header fit. Aftermarket solid and urethane mounts, worn or incorrect mounts will cause header fitment issues. If you have floor pan clearance issues on the pass side header, check your sub-frame mounts. This header will not fit with close ratio steering box or rack conversions. Lowered ride height may result in insufficient ground clearance Check (2466HKR or Super Competition header for your vehicle). This header was designed around the factory small block engine with factory heads. Raised port heads, D-port heads or non-stock plug locations may cause gasket leaks and header fitment issues that require modification to fit. This header will not work with angle plug heads.
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.

Applications

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