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Hooker Reducer

Slip-On, 4.5" OD Collector to 4" OD Tailpipe, One Pair

Part # 11143HKR Be the first to write a review

Hooker Reducer

Not Available

1

Emissions

This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturers application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number.

See Emissions Details
Just pick the reducer size that matches the diameter of the header collector. Bolt it to the collector ring, and weld on the tailpipe. If you have a header without the collector ring, use Hooker slip-on reducers. They're sized to slip over the collector and weld to the exhaust pipe.

Features:

  • Slip-On Reducer
  • One Pair

About Hooker

Hooker Headers & exhaust systems are engineered to increase horsepower and torque while improving throttle response. Shop the official site of Hooker at Holley.com.

Brand Hooker
Emission Code1
Flange Size4-1/2 inch
Pipe Size4 inch
Product TypeMiscellaneous Exhaust
Type of ComponentHeader Reducer
UPC700414055428
Part Number11143HKR
1

This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturers application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Sized To Slip Over The Collector And Weld To The Exhaust Pipe
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    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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