Description
The Hooker Blackheart Exhaust System (part number 70401329-RHKR; Summit Racing number HOK-70401329RHKR) is a rear axle-back system with a dual-in/four-out layout. It is sold as a kit and is not remanufactured. Check vehicle-specific fitment before ordering; no vehicle application is specified here.
The system is made from 304 stainless steel with a natural finish and has two 3-inch inlets. It includes two polished 304 stainless steel glasspack mufflers, each configured with one inlet and two outlets. The mufflers have 3-inch bypass valves that use the factory NPP control.
- Four included round, slant-cut tips with beveled, double-wall edges
- Tips are polished 304 stainless steel, with 4-inch outlets
- Mounting hardware included
- Catalytic converters not included
Before ordering, confirm that this axle-back configuration and its factory NPP control arrangement suit your vehicle. The listed exhaust components do not include catalytic converters.
Emissions notice: It is illegal to install parts or components that bypass, defeat, or render inoperative manufacturer technology or design required to reduce vehicle emissions under state and federal Clean Air Act standards.
Fitment and ordering notes
- Confirm the exact model, part number, configuration, dimensions, and application against the information shown in this listing.
- Review the product images and listed attributes before ordering; fitment can vary by vehicle, equipment, year, and installation setup.
- Contact X Factor Motorsport for availability, fitment, product questions, or freight guidance before purchase.
