Hooker Header Back Exhaust System

1973-87 GM C-10/20 2WD - 2.5", Rear Exit, 304SS Tubing with 304SS Mufflers

PART# 70501316-RHKR

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$1,161.95   Suggested Retail
$940.46   Holleydays Price
Estimated shipping date: 01/14/2019
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Connects to 70101503HKR and 70101504HKR full-length headers with adapter P/N 42107HKR. Connects to 8501HKR exhaust manifolds with adapter P/N 70701403-RHKR.


Full stainless steel exhaust system comes complete with stamped crossover for a broad torque curve, TIG welded stainless steel straight through designed absorption style mufflers, for applications up to 450HP; rear exits.


  • Each system is supplied with a high-efficiency stamped crossover & high-flow TIG-welded 304 SS absorption mufflers
  • OE quality hardware (clamps, hanger rods and rubber isolators) provided to ensure excellent fitment and a leak free installation
  • Kits are supplied with rear exits
  • 304 Stainless steel straight through designed absorption mufflers for a muscle car sound without the resonance
  • Constructed of mandrel bent 304 stainless steel tubing


BrandHooker BlackHeart
Emission Code3
Product TypeExhaust Systems
Part Number70501316-RHKR


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.

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