Granatelli Motor Sports, the leading manufacturer of performance mass airflow sensors for GM and Ford cars and trucks, also offers ram air cold air intakes for 1997-02 LS1 & LS6 Corvettes. This system adds a dyno proven 26 hp and 18 ft. lbs. torque increase at the rear wheels with no other changes. In addition, they are 50-state legal, and they will not void your vehicle warranty. Installation takes approximately 40-50 minutes with no drilling required. Each system is sold complete with a new high performance air filter. Each system includes premium hardware and detailed installation instructions.