Quick view Borla Borla 2016 Chevy Camaro SS 6.2L Dual NPP Tip Adapters - 60605 Compare $980.99 $875.99 Pipes include valves and are intended to add the NPP (dual mode option) to a system that did not come with the necessary valves (11920, 11921). They can only be used with mufflers that have dual tips exiting the mufflers. Wiring is not included. They are... Add to Cart Add to Cart