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Hooker Header Back Exhaust System

1973-87 GM C-10/20 2WD - 3", Rear Exit, 304SS Tubing with 304SS Mufflers

PART# 70501317-RHKR

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Compatible with standard-duty rear leaf springs only (52" length), cannot be installed on trucks equipped with factory heavy-duty rear leaf spring option (56" length). Connects directly to 70101503HKR and 70101504HKR full-length headers.

Overview

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 over 450HP; rear exits.

Features:

  • 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

Specs

2WD/4WDRWD
BrandHooker BlackHeart
Emission Code4
Exhaust SeriesHooker BlackHeart
Exit PositionDual Out Rear
Inlet Diameter (in)3.0
Material304 Stainless Steel
Muffler Quantity2
Outlet Diameter (in)3.0
Product TypeExhaust Systems
Single DualDual
Tubing Diameter (in)3.0
Type of ExhaustHeader-Back
Part Number70501317-RHKR

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

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

Tech Resources

Compatible with standard-duty rear leaf springs only (52" length), cannot be installed on trucks equipped with factory heavy-duty rear leaf spring option (56" length). Connects directly to 70101503HKR and 70101504HKR full-length headers.

Applications

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