Hooker BlackHeart Cat-Back Exhaust System with Mufflers

1996-2004 4.6L 2V Mustang 2.5" 409SS Cat-Back Exhaust System w/ Mufflers

PART# 70503426-RHKR

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Hooker continues to push the boundaries of performance with the BlackHeart line of performance exhaust systems. We are proud to offer these cat-back exhaust systems for 96-04 4.6L Mustangs. These 2.5" exhaust systems are offered in both 304 and 409 stainless steel. They are engineered for optimal ground clearance, ease of installation, and maximum performance from your 4.6L 2V engine.


  • Complete bolt-on performance cat-back systems
  • 2.5” 409 Stainless Steel (or 304 Stainless Steel P/N 70503326-RHKR) construction for strength and appearance
  • Mandrel bent tubing for smooth exhaust flow
  • High-flow stainless steel mufflers provide a deep aggressive tone
  • Quality welds for strength, longevity and good looks
  • Tube geometry designed for hassle-free installation
  • High tuck design for optimal ground clearance
  • 3” exhaust tips with bolt-on hangers allow for perfect tail pipe alignment


ApplicationFord 4.6L
BrandHooker BlackHeart
Emission Code1
Product TypeCat-Back Exhaust Kit
Tube Diameter2.5"
Tube Material409 Stainless Steel
Part Number70503426-RHKR


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

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.