LEFT: Here’s the stock induction system. Effective, obviously, from a factory point of view, but the Breathless Performance Vortex Ram Air allows a larger gulp of air to reach the intake.

BELOW LEFT: Start the Vortex Ram Air installation by disassembling the factory induction set-up. Loosen the clamp at the throttle body, disconnect the MAT sender, and on 1997-98 cars, pull out the fuel pressure vacuum line.

Corvettes. According to Breathless Performance’s dyno testing, installation of the Vortex system on an otherwise stock C5 results in a 22 horsepower and 21 ft. lbs. of torque improvement — and that’s without the benefit of the "ram air" effect at speed. At the drag strip, where a C5 can take advantage of the ram air, Breathless has seen .35-second quicker ETs.
    The Breathless Vortex Ram Air system replaces the restrictive