ZEX Nitrous Sys.2011 Mustang GT Air & Fuel Delivery DBA's 4000 Series XS rotors

DBA's 4000 Series XS rotors feature our best technology & materials for maximum performance

Oldsmobile Cutlass Ciera International 1990

Jeep CJ5 Base 1982

Chevrolet C2500 Base 1999

Isuzu Trooper S 1988

ZEX Nitrous Sys.2011 Mustang GT Air & Fuel Delivery DBA's 4000 Series XS rotorsZEX Blackout Nitrous Systems are the newest addition tothe ZEX family. With unprecedented looks, performanceand power potential, and like all ZEX nitrous systems, theBlackout kits incorporate the most technologicallyadvanced performance features available, including thepatented ZEX Active Fuel Control. This feature automaticallyadjusts the nitrous fuel enrichment so your enginenever runs too rich or too lean. Power settings vary for eachapplication