Bassani was the first company to introduce the stamp formed X? crossover to C5 Corvette enthusiasts. Since the introduction of the original? many competitors have attempted to copy this design because of its superior performance and sound attenuating qualities. This is for all (including Z06*) 97-04 Corvettes. Typical performance gains on stock vehicles are 4-5 Hp and 5-6 ft. lbs. torque. This products works great by reducing interior resonance and deceleration pop usually more noticeable after installing aftermarket exhaust systems. |