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Fits 2005-2009 Ford Mustang GT 4.6L, 3 inch with X-pipe and Mufflers - 304SS

PART# 70503342-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.
Aggressive to moderate sound


This Hooker BlackHeart Header-back exhaust system is designed for use with Blackheart Long-tube Headers. It is built with 3 inch 304SS tubing, has an X-pipe and High-flow straight through mufflers to produce an aggressive tone without the drone associated with other systems. The system is also lighter than OE by 18% or 11 pounds. Finished off with 4 inch dual wall, angle-cut, polished 304SS tips, this system delivers good looks, great fit and maximum durability.


  • Up to 18% weight savings over OE (original equipment) exhaust, a savings of 11 LBS. for increased performance
  • Direct fit installation for Hooker Blackheart Long-Tube Headers, 70103313-RHKR OR 70103314-RHKR for a simple and complete exhaust solution
  • Constructed from 3 inch lightweight, 18-gauge, mandrel bent, 304 stainless steel, maximizing strength, durability and performance.
  • Dual, 304 polished stainless steel, high-flow straight through muffler design offers an aggressive tone
  • X-Pipe designed to maximize performance and reduce in-cabin exhaust drone
  • 4 inch Dual-wall, angle-cut, polished 304 stainless steel tips with laser etched Hooker BlackHeart logos add style to your ride
  • 100% quality hand-welded construction for strength, longevity and good looks
  • Utilizes factory mounting points for factory-like fitment
  • High-tuck designed tube geometry for maximum clearance and hassle-free installation. Especially important for lowered cars.
  • All hardware included


Application2005-2009 Mustang GT V8, 4.6L
BrandHooker BlackHeart
Emission Code4
Exhaust SeriesHooker BlackHeart
Material304 Stainless Steel
Product TypeExhaust System
Race OnlyYes
Sound LevelAggressive / Moderate
System TypeHeader-back
Tips304 Stainless Steel
Tube Diameter3 inch
Tube Material304 Stainless Steel
Tubing Diameter (in)3
Part Number70503342-RHKR



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

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