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Hooker Manifold Back Exhaust System

1973-1974 Chevy/GMC Blazer/Jimmy/Yukon (4WD): 265-400 Manifold Back 2.25" Exhaust System

Part # 16624HKR Be the first to write a review

Hooker Manifold Back Exhaust System

Not Available

4

Emissions

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

    See Emissions Details
Designed for manifold back applications. This system uses 2.25-inch 16-gauge aluminized tubing to reduce back-pressure and improve engine efficiency. The system is mandrel bent to eliminate any crush sections in the tubing to help maximize the exhaust flow for better performance.

Features:

  • Mandrel Bent Tubing Eliminates Restrictions in Bends and Improves Exhaust Flow
  • Reduces Backpressure
  • Improves Engine Efficiency
  • Hardware Included
  • Instructions Included

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 Code4
Exhaust SeriesHooker
MaterialAluminized Steel
Muffler TypeNone
Product TypeExhaust System
Sound LevelPipe Only
System TypeManifold-back
TipsNone
Tubing Diameter (in)2.25
Type of ExhaustManifold-Back
UPC700414023922
Part Number16624HKR
4

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

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