CORSA Performance Pro-Series tips are dual-walled stainless steel. The dual-wall is designed to protect against heat distortion and maintain visual appeal. Each tip is adorned with high-definition, precision laser engraving that provides unmatched detail. CORSA Performance tip kits are designed to fit directly to CORSA exhaust systems. C7 Tip Kit ONLY fits to CORSA C7 Exhaust. Quad 4.5in. Black PVD Pro-Series Tip Kit (Clamps Included) Fits to CORSA C7 exhaust systems only