Hooker Super Competition Long Tube Headers – Ceramic Coated HOK-22221HKR

Hooker Super Competition Long Tube Headers – Ceramic Coated HOK-22221HKR

1965-1974 Corvette: 396-502 Tube Size 2.125″ x 45″, Collector Size 4″, Collector Length 10″, Port Shape: Round, Sidemount

Features:

Replacement Hooker mufflers available in straight-through or reverse-flow versions
Designed for optimal performance
All necessary hardware included for a complete installation
Tuned-length primary tubes for maximum exhaust scavenging and velocity
5/16” machined flanges for a perfect seal
Long transition collector for decreased back pressure
Light weight & sturdy 18 gauge tubing
Mandrel-bent tubing for smooth exhaust flow
Industry’s best welds for durability
Slip fit side tubes for leak-free seal
Requires use of motor mounts that locate the engine in the factory location

Super Competition Sidemount headers deliver the most aggressive style and performance for your early Corvette. Sidemount headers are built from lightweight 18 gauge tubing. Sidetubes slip directly to the collector for a leak free seal. Hooker sidemount headers and sidetubes come with 3 choices of coating; show quality chrome, high heat resistant black paint and Hooker’s Metallic Ceramic Thermal Barrier Coating. Replaceable Hooker mufflers are available separately in 2 different styles; glasspack and reverse flow. The glass pack style provides the highest performance with minimal backpressure and sound control. The reverse flow is designed for maximum sound control.

Attributes:

Bolt size	3/8-16 x 3/4
Brand	Hooker
CARB (California) Compliant	No
Category	Exhaust
Collector Diameter	4.00 inch
Emission Code	4
Engine	GM Big Block
Header Finish	Silver Ceramic
Header Style	Long Tube
part type	Exhaust Header
Primary Tube Dia.	2-1/8 inch
Product Type	Headers
Sub Category	Exhaust Manifolds
Tube Material	Mild Steel