GM 97-04 C5 CORVETTE DUAL CONE COLD AIR KIT For your engine to make more power, it needs more airflow. Factory air intakes are designed to save space, not maximize airflow robbing valuable horsepower. Solve this problem with one of our high performance dual cone cold air kits and you’ll see an additional 15-16 horsepower at the rear wheels. It also improves throttle response, mileage and is a great compliment to our high performance mass airflow sensors. Best of all, it's constructed from rugged OEM quality materials so installation won’t void your powertrain warranty and it's 50-state emission legal. Each system includes a high performance air bridge, two open element washable air filters and premium hardware. Installation takes about 10-15 minutes using basic hand tools. Each system is backed by a limited 90-day warranty. NOTE: Mass airflow sensor shown not included.