Description
The CORSA Sport to Xtreme Exhaust System (manufacturer part number 14776; Summit Racing part number CSE-14776; UPC 847466020698) is a rear-section, dual-in/four-out system for vehicles equipped with the factory active exhaust option. It integrates directly with the stock NPP valve actuator and maintains quiet-start functionality.
The system uses natural-finish 304 stainless steel and includes two chambered mufflers made from natural-finish 403 stainless steel. CORSA’s reflective sound cancellation (RSC) technology is designed to address frequencies that can cause cabin drone at cruising speeds. The product description also identifies a straight-through design intended to reduce back pressure and support engine performance.
- Two 2.75-inch inlets; listed intermediate-pipe and tailpipe diameter: 2.75 inches
- Four round, slant-cut tips with rolled, double-wall edges; polished 304 stainless steel
- Tip outlet size: 4.50 inches
- Two mufflers, each with a single inlet and dual outlets
- Includes tips and installation hardware; sold as a kit
- Rear-center exit; catalytic converters are not included
The general system description also refers to 3-inch mandrel-bent piping and 4-inch tips; the listed specifications above give 2.75-inch pipe dimensions and 4.50-inch tip outlets. Detailed full-color instructions and step-down flanges for the OEM connection are included. Installation is described as a bolt-in process.
This is a new, non-remanufactured product. It is illegal to install parts that bypass, defeat, or disable manufacturer technology or design required to meet state and federal Clean Air Act emissions 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.
