Corvette Vararam TCR-7 True Cold Air Intake : C7 Stingray, Z51C7 Corvette Stingray, Z51 Vararam TCR 7 True Cold Air Intake System You can expect 18 20HP with the Vararam TCR 7 Intake without tuning, no more excess heat soak, CFD Designed, and real world performance and power. TCR 7 Features: Precision Injection and Rotational Molded construction Pulls additional airflow from a High Pressure zone dropping heat soak temps in seconds, NOT miles like our competition. Gains of 1. 2 4 % more power from Cold Air alone!