Hooker Header Back Exhaust System
73-87 1/2, 3/4, 1-Ton truck (2WD), 73-91 Chevy/GMC Blazer/Suburban/Jimmy/Carryall/Yukon/1-Ton Crew Cab (2WD): 265-400
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- Reducer Flex-Tubes
- Reduces Backpressure
- Improves Engine Efficiency
- Hardware Included
- Instructions Included
|Tube Size||2-1/4 inch|
|Type of Exhaust||Header-Back|
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.