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Hooker Adapter Kit

1967-1969 GM F-Body/1968-1974 GM X-Body SB 3" Mid-pipe Adapter Kit fits Long-Tube Headers

Part # 42111HKR Be the first to write a review
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Hooker has created a full line of adapter tubes that fill the gap and include all hardware and gaskets for a clean and simple connection. When connecting Hooker Long Tube Headers for the 68-69 Camaro/Firebird and 68-74Nova to our full exhaust kits, an adapter pipe is required to fill that gap between the end of the headers and our Hooker exhaust systems (which are designed to work with long tube header systems).


  • Designed to connect header numbers 2104HKR, 2105HKR, 2106HKR, 2107HKR and 2109HKR to our full exhaust kits 42503HKR and 42504HKR.
  • Connects long tube headers to Hooker exhaust systems
  • Includes adapter tubes and 3" slip couplers

About Hooker

Since the golden era of drag racing in the 1960s, Hooker has helped more racers reach the Winner's Circle than any other header company. From the stoplight to the race track, Hooker exhaust technology will make your car or truck perform and sound better.

Brand Hooker
Emission Code5
Product TypeAdapter Kit
Tube Diameter3 inch
Part Number42111HKR

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Minimal component to floor clearance is to be expected when installing the 42111HKR adapter kit and Hooker 2104HKR, 2105HKR, 2106HKR, 2107HKR or 2109HKR long tube headers with half-height body/frame bushing

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    Some parts are not legal for use in California or other states with similar regulations.