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Hooker Header Back Exhaust System

Part # 42503HKR Be the first to write a review

Replaced by part number 70501318-RHKR

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Hooker Header Back Exhaust System

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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 up to 450HP; single turn-down exit under each quarter panel for an stealthy look.

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
  • Provides compatibility with stock parking brake cables
  • Both kits are supplied with turn-down style exits under the rear quarter panels
  • Stainless steel straight through designed absorption mufflers for a muscle car sound without the resonance.
  • Constructed of mandrel bent stainless steel tubing
  • Works with Hooker long tube headers

About Hooker

Shop Hooker performance headers, exhaust manifolds, complete exhaust systems, mufflers, engine swap components, and accessories for classic and modern vehicles at Holley.

Brand Hooker
Emission Code3
UPC090127686492
Part Number42503HKR
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) 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


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


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