ISR Performance GT Single Exhaust With Burnt Tip- Nissan 350ZIS GT 350Z BT ISR Performance Single GT Exhaust With Burnt Tip Nissan 350Z ISR Performance Single GT exhaust is a y pipe back exhaust system made of mandrel bent stainless steel to ensure the highest reliability and quality. This Single exhaust gives you all the advantages of unrestricted flow to maximum horsepower while retaining a deep and aggressive exhaust tone. This single GT exhaust is the perfect combination for both naturally aspirated and