F.A.S.T. Single Sensor Air/Fuel Meter Kit - Wireless - Smartphone Compatible 421998 This exhaust gasket features 1

This exhaust gasket features 1

Accepts 2” or 3” seat belts (Small unit - 2" belts only)

BD Diesel Performance is unique among its peers

352-428 and 429-460

2007-2007 Chevrolet Monte Carlo

F.A.S.T. Single Sensor Air/Fuel Meter Kit - Wireless - Smartphone Compatible 421998 This exhaust gasket features 1FAST's Wireless, dual sensor technology measures your engines air fuel ratio with precision accuracy, all from the convenience of your smart phone! FAST has revolutionized the tuning industry with the most advanced, App based, wireless, air fuel meter. The FAST Wireless Air Fuel Meter uses an underhood mounted Bluetooth module, connected to oxygen sensors in both of your engines exhaust outlets, giving you the full story on the state of your engines