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Hooker BlackHeart Race Pipe & X-Pipe (Race Only)

2011-2014 Ford Mustang V6, 3.7L 2.5" Race Pipe & X-Pipe without Catalytic Converter

PART# 70803303-RHKR

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WARNING: This product is not street legal and may only be used on Racing Vehicles. Racing Vehicles must be used exclusively for racing or other forms of competition. Racing vehicles must not be registered and must never be used on the street. It is illegal to install this product on a registered vehicle and use it on the street.


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 +10.04 HP & +12.39 LB.FT torque (w/ catalytic converters)
  • 2.5” diameter 304 stainless steel race pipes available with or without high flow catalytic converters
  • An X-Pipe is incorporated to help exhaust scavenging for optimum performance and gives it an aggressive tone while minimizing exhaust drone
  • Quality welds for strength, longevity and good looks
  • Utilizes factory mounting points for ease of installation
  • Tube geometry designed for maximum ground clearance and hassle free installation
  • 100% bolt on with no modifications necessary working with either the OEM exhaust system and OEM exhaust manifolds or BlackHeart Exhaust Systems 70303302-RHKR, 70403310-RHKR, 70403311-RHKR, 70503318-RHKR OR 70503319-RHKR.
  • Manufacturer’s limited lifetime warranty


Application2011-2014 Mustang 3.7L
BrandHooker BlackHeart
Emission Code3
Material304 Stainless Steel
Product TypeRace Pipe & X-pipe
Race OnlyYes
Part Number70803303-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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