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. Exhaust Tip Kit; Twin 4 in. Polished Pro-Series Tips; Dual Rear Exit; Fits to CORSA Exhaust Systems only 15-16 MUST GT COUP 5.0L