Kooks 3" Catted ULTRA X-Pipe (21703220) - 2014–2019 Corvette C7 6.2L
Refine the sound and performance of your C7 Corvette with the Kooks 3" Catted ULTRA X-Pipe. Engineered for LT-powered Corvettes, this system features Kooks’ ULTRA X long-merge design to improve exhaust scavenging, sharpen throttle response, and deliver a crisp, exotic exhaust note that stands apart from traditional X-pipes.
Constructed from premium 3" stainless steel, the ULTRA X-Pipe uses a full-length Long Merge X-section to enhance exhaust pulse efficiency across the RPM range. High-flow catalytic converters help smooth and control exhaust tone while maintaining aggressive character under acceleration. Designed to connect to Kooks long tube headers and transition into the factory-style 2-3/4" rear exhaust, this system offers precision fitment, durability, and balanced sound for high-performance street builds. Standard catalytic converters are intended for naturally aspirated applications and are not rated for forced induction.
Features
- 3" catted stainless steel ULTRA X-pipe design
- Full-length Long Merge X-section for improved exhaust scavenging
- High-flow catalytic converters for refined, controlled exhaust tone
- Mandrel-bent 3" stainless steel tubing for optimal flow
- CNC-built construction for precision fitment and consistency
- Connects to Kooks long tube headers only
- Transitions to 2-3/4" OEM-style rear exhaust systems
- Standard catalytic converters support up to approximately 550 RWHP
Fitment
- 2014 Chevrolet Corvette Stingray 6.2L
- 2015 Chevrolet Corvette Stingray 6.2L
- 2016 Chevrolet Corvette Stingray 6.2L
- 2017 Chevrolet Corvette Stingray 6.2L
- 2018 Chevrolet Corvette Stingray 6.2L
- 2019 Chevrolet Corvette Stingray 6.2L
- 2014 Chevrolet Corvette Z51 6.2L
- 2015 Chevrolet Corvette Z51 6.2L
- 2016 Chevrolet Corvette Z51 6.2L
- 2017 Chevrolet Corvette Grand Sport 6.2L
- 2018 Chevrolet Corvette Grand Sport 6.2L
- 2019 Chevrolet Corvette Grand Sport 6.2L
- 2015 Chevrolet Corvette Z06 6.2L
- 2016 Chevrolet Corvette Z06 6.2L
- 2017 Chevrolet Corvette Z06 6.2L
- 2018 Chevrolet Corvette Z06 6.2L
- 2019 Chevrolet Corvette Z06 6.2L
- 2019 Chevrolet Corvette ZR1 6.2L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

