Description
The Borla ATAK axle-back exhaust system (part number 11856) is a rear-section, dual-in/four-out kit made from natural-finish 304 stainless steel. It features Borla’s patented straight-through and multi-core technology, designed to promote exhaust flow and deliver Borla’s distinctive “Sound of Power.”
Ultra-smooth mandrel bends and computer-controlled CNC manufacturing are designed to support efficient flow and accurate fit. The system includes two turbo-style mufflers, each with a single inlet and quad outlets, plus four polished stainless steel tips with rolled edges.
- Two 2.75-inch inlets and 2.75-inch tailpipes
- Four round, slant-cut, intercooled tips; 4.25-inch outlet size
- Both AFM valves and NPP valves included
- Hardware included; sold as a kit
- Catalytic converters are not included
- New, not remanufactured
Designed to enhance exhaust sound and flow, Borla’s system is built from 304 stainless steel for durability. The source does not specify vehicle fitment, so confirm that part number 11856 is appropriate for your application before ordering.
Emissions notice: It is illegal to install parts or components that bypass, defeat, or render inoperative manufacturer technology and design required to meet 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.
