Corsa Sport Cat-Back Exhaust System - 3 in Diameter - Single 4 in Dual Tip - Black Pro-Series Tips - 5.3 L - GM V8 - GM Fullsize SUV 2015-18 Serpentine Belt Water Pump Pulley All threads are NPT

All threads are NPT

Cooling slots help dissipate heat and the scalloped shape saves weight without sacrificing braking

Shoulder Harness Pads are easy to install

flat washers and lock nuts

990 in Diameter

Corsa Sport Cat-Back Exhaust System - 3 in Diameter - Single 4 in Dual Tip - Black Pro-Series Tips - 5.3 L - GM V8 - GM Fullsize SUV 2015-18 Serpentine Belt Water Pump Pulley All threads are NPTCORSAs Patented Reflective Sound Cancellation (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an AGGRESSIVE SOUND under acceleration and a DRONE FREE EXPERIENCE during cruise. Performance gains are not affected by sound choice. Custom Tuned Aggressive Exhaust Note No Drone At Cruise 304 Stainless