Stainless Steel Construction Product Type - Rear Section Exhaust Pipe Diameter - 2.75" Tip Size - 4.25" Tip Description - Dual Round Rolled Angle-Cut Tip # - 47 Exit - Quad Center Rear Exit QUICK FACTS Dyno Tuned For Maximum Performance Proven Borla Technology Lifetime Limited Warranty C7 Corvette Stingray Exhaust - Borla ATAK Rear Section : Quad 4.25" Round Tips 6.2L V8 Automatic/Manual Trans Rear Wheel Drive 2dr w/NPP dual mode exhaust. BORLA®'s C7 Corvette rear section exhaust systems are covered under our Million-Mile Warranty for non-moving parts, the exhaust valves and actuators are warrantied for 3 years. *Failures of original equipment AFM and NPP actuators are not covered by the Borla® Warranty