2015-2016 Ford Mustang V6-3.7L Cat-Back Exhaust System - Hooker BlackheartYouTube Button
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Hooker BlackHeart Cat-Back Exhaust System (With Mufflers)

2015-2016 Ford Mustang V6, 3.7L 304SS 2.5IN Cat-Back Exhaust With Mufflers

PART# 70503323-RHKR

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At the heart of any performance vehicle is the exhaust system. Hooker with its classic heart logo has been at the core of the exhaust industry for decades. Many of the most powerful vehicles on the planet have used Hooker Headers. Hooker continues to push the boundaries of performance with the new BlackHeart line of performance exhaust systems for popular late model vehicles. The BlackHeart line is truly a platform designed full exhaust program. From the cylinder head flange to the tailpipe, the BlackHeart line is engineered to provide maximum exhaust velocity, ground clearance, style, performance, and quality!


  • Max dyno gains of +12.47 HP & +20.27 LB.FT torque (w/muffler design) and max dyno gains of +11.65 HP & +15.62 LB.FT torque (w/o muffler design)
  • Incorporated H-Pipe designed to increase torque and minimize in-cabin drone
  • 2.5” lightweight, 18-gauge, 304 stainless steel construction for maximum strength and durability
  • Quality welds for strength, longevity and good looks
  • Available in either a high flow, straight through muffler design or a straight through no muffler design
  • 4” dual wall, angle cut, polished 304 stainless steel tips with laser etched Hooker BlackHeart logo to add maximum styling to your ride
  • Utilizes factory mounting points for ease of installation
  • Tube geometry designed for maximum ground clearance and hassle free installation
  • Fits both standard coupes and convertible
  • Up to 53% weight savings over OE exhaust, a saving of 32 LBS. (w/o muffler design) and 21 LBS. (w/ muffler design)
  • Manufacturer’s limited lifetime warranty


Application2011-2016 Mustang 3.7L
BrandHooker BlackHeart
Emission Code1
Product TypeCat-Back Exhaust Kit
Part Number70503323-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

    *Free Shipping & Handling only offered to the contiguous US on orders over $100.

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