Flowtech Afterburner Headers - Ceramic Coated
73-87 Chevy/GMC Pick-Up 1/2, 3/4, 1-Ton, 2WD, 73-91 Blazer/Jimmy/Suburban 2WD, 88-91 Chevy/GMC 1 Ton Crew Cab, 2WD: 283-400, Tube Size 1.625", Collector Size 3"
Free Shipping on orders over $100*
- Patented Velocity Tube increases cylinder scavenging
- Tuned-length primary tubes combine with Velocity Tube to smooth out exhaust pulses
- Big 3” secondary collector for reduced back pressure
- Horsepower and Torque increased over conventional header design
- Premium high-temperature electrostatic gray finish
- All hardware and premium gaskets included for a complete installation
|Collector Diameter||3 inch|
|Header Finish||Silver Metallic Ceramic|
|Header Style||Long Tube|
|Primary Tube Dia.||1-5/8 inch|
|Tube Material||Mild Steel|
Parts & Kits
This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.
The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:
- 1965 and older U.S. manufactured California Certified vehicles
- 1967 and older U.S. manufactured Federally Certified vehicles
- 1967 and older Foreign manufactured vehicle
Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.
*Free Shipping & Handling only offered to the continental US on orders over $100.
Some parts are not legal for use in California or other states with similar regulations.