Hooker Manifold Back Exhaust System

63-72 Chevy/GMC 1/2, 3/4, 1-Ton Truck (2WD), 69-72 Blazer/Suburban/Jimmy/Carryall/Yukon/1-Ton Crew Cab (2WD): 265-400

PART# 16621HKR

Suggested Retail: $254.95
Your Price: $228.95
Free Shipping on orders over $100*


Hooker Manifold Back exhaust system is constructed of 2-1/4" 16-gauge aluminized steel tubing for maximum flow and increased performance. This system uses the original equipment tailpipe exit location. Works with any 2-1/4" offset inlet/center outlet muffler


  • Reducer Flex-Tubes
  • Reduces Backpressure
  • Improves Engine Efficiency
  • Hardware Included
  • Instructions Included
  • Mandrel bent 2-1/4" 16-guage aluminized steel tubing


Emission Code3
Muffler TypeNone
Product TypeExhaust
Tube Size2-1/4 inch
Type of ExhaustManifold-Back

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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.

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    *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.