Description
The Borla ATAK system, part number 11931, is a 304 stainless steel rear axle-back exhaust system for models equipped with dual-mode exhaust. It includes the valves and is supplied as a kit. The system has a dual-exit layout with split rear outlets and a natural stainless finish.
Two 304 stainless steel turbo mufflers use a dual-inlet/quad-outlet configuration. Borla’s multi-core technology and smooth mandrel bends are designed to support exhaust flow, while precision CNC manufacturing is intended to provide an accurate fit. Borla describes the system as delivering its distinctive “Sound of Power.”
- Intermediate pipe diameter: 2.25 in.
- Tailpipe diameter: 2.75 in.
- Four included round tips, each with a 4.00 in. outlet
- 304 stainless steel tips with polished finish, slant cut, and rolled edges
- Hardware included; catalytic converters are not included
- New, non-remanufactured product; sold as a kit
Confirm that your vehicle has dual-mode exhaust before ordering. This system includes NPP valves. The listing identifies it as part of Borla’s ATAK Cat-Back Systems product line, while the system-style specification describes a rear axle-back configuration.
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.
