3" Stainless Competition-Only ULTRA X-Pipe Unleash the full potential of your 2014–2019 Corvette C7 with a Kooks Competition-Only ULTRA X-Pipe engineered exclusively for LT1 and LT4 performance. Designed to integrate with the factory 2-3/4" OEM-style exhaust system, this upgraded ULTRA X configuration uses a full-length Long Merge to improve scavenging, enhance overall exhaust efficiency, and deliver the unmistakable X/H-inspired tone Corvette enthusiasts love. Crafted from premium 3" stainless steel and built for high-performance applications, this system pairs only with Kooks Long Tube Headers. Together, they create a smooth, unrestricted exhaust path that sharpens throttle response and elevates the driving experience of your LT-powered Corvette. Features & Benefits Competition-only ULTRA X design for improved performance and refined exhaust tone Full-length Long Merge for enhanced exhaust pulse scavenging Includes front connections to interface directly with Kooks Long Tube Headers Mandrel-bent 3" stainless steel tubing for optimized flow and long-term durability CNC-built construction ensures precision fitment and consistent quality Connects directly to 2-3/4" OEM-style rear exhaust systems Fitment Notes Designed for 2014–2019 Corvette C7 (LT1 / LT4) Requires Kooks Long Tube Headers Connects to 2-3/4" OEM exhaust systems Competition-use only