For 2002-05 700 Viper and Mountain Viper. SLP's triple pipes for the Viper provide an astonishing 33 horsepower peak (8800-9000 rpm), and a 15 horsepower midrange improvement for ultimate Viper performance. SLP's Research and Development team spent thousands of hours on the dyno and in the field over a broad range of elevations and conditions to insure optimum performance while maintaining reliability and delivering premium fit and finish. These pipes incorporate our latest silencing technology for a silent, potent combination. Your victims my not know what they are up against until it is too late. This pipe set is provided with a ceramic coated silencer for an attractive, protective, durable finish that requires minimal maintenance and reduces underhood heat for maximum horsepower and running consistency.