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Hooker Turnout Collector Muffler

Universal bolt-on turnout style mufflers are perfect for Jeeps, Broncos and Landcruisers using fenderwell exit headers or headers with 3 bolt 3" diameter collectors.

Part # 21037HKR Be the first to write a review
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Hooker offers universal bolt-on turnout style mufflers which are perfect for Jeeps, Broncos and Landcruisers using fenderwell exit headers. By using a spin-ring for universal mounting, these 3-1/2" diameter case sidemount mufflers will bolt to any 3-bolt 3" diameter collectors. We supply mounting hardware for proper muffler support. The mufflers use a welded all metal core for longer life and are engineered to control sound without restricting flow. Hooker polishes chrome mufflers before and after welding to insure a perfect finish. Sold in pairs.


  • Bolt-on Installation
  • Perfect for Jeeps, Broncos and Landcruisers Using Fenderwell Exit Headers
  • Spin-ring Collector for Universal Mounting
  • 3-1/2" Diameter Case
  • Will Bolt to Any 3-Bolt 3" Diameter Collectors
  • Mounting Hardware Supplied
  • Welded All Metal Core for Longer Life
  • Engineered to Control Sound Without Restricting Flow
  • Installed length 30"
  • Show Quality Chrome Finish

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.

Automotive Item GradeHigh Performance
Body Height (in)3.5
Body Length (in)30
Body Width (in)3.5
Brand Hooker
ColorPolished Chrome
Emission Code5
Inlet Connection TypePipe Connection
Inlet Diameter (in)3
Inlet PositionCenter
MaterialAluminized Steel
Muffler SeriesSide-Tube Bolt-On
Muffler TypeSide-Tube Bolt-On
Outlet Connection TypeNA
Outlet Diameter (in)3.5
Outlet PositionCenter
Overall Length (in)30
Product TypeStreet Mufflers
Sound LevelAggressive Sound
Type of MufflerSide-Tube Bolt-On
Vehicle TypeStreet Rod
Part Number21037HKR

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.

Recommended for Use with the following Part Numbers: 9401HKR, 9401-1HKR, 9820HKR, or any headers with 3-bolt 3" Diameter collectors.

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