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: $251.95
Holleydays Price:$206.06
Free Shipping on orders over $100*
  • Reducer Flex-Tubes
  • Reduces Backpressure
  • Improves Engine Efficiency
  • Hardware Included
  • Instructions Included
  • Mandrel bent 2-1/4" 16-guage aluminized steel tubing
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
Emission Code3
Muffler Type None
Product TypeExhaust
Tube Size2-1/4 inch
Type of ExhaustManifold-Back
21602HKRHooker Maximum Flow Muffler
21502HKRHooker Aero Chamber Muffler

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.
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