Description
The CORSA Sport to Xtreme Exhaust System (part number 14777BLK) is a rear axle-back system with dual inlets and four outlets. It is designed to integrate directly with the stock NPP valve actuator and maintains quiet-start functionality.
The system is made from 304 stainless steel and has a natural finish. It includes two chambered mufflers, each with a single inlet and dual outlets; the mufflers are made from 403 stainless steel and have a natural finish. CORSA’s reflective sound cancellation (RSC) technology is designed to address frequencies that can cause cabin drone at cruising speeds.
- 2.75-inch intermediate pipes and tailpipes
- Four round, slant-cut tips with rolled, double-wall edges
- Tips are 304 stainless steel, black, with 4.50-inch outlets
- Includes two mufflers, four tips, installation hardware, and full-color instructions
- Designed for bolt-in installation with step-down flanges for the OEM connection
The straight-through design is intended to reduce back pressure and support engine performance. Catalytic converters are not included. This system is sold as a kit and is not remanufactured.
Important: It is illegal to install parts or components that bypass, defeat, or render inoperative 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.
