If you want to quickly add a lot of horsepower to your EFI Touring, Softail® or Dyna® , give it some N.A.D.S. (Nitrous Assisted Dry System.) Probably the biggest bang for your buck ThunderMax N.A.D.S. is a complete bolt-on “dry” system that requires no secondary fuel source for a clean, simple installation in maxi 30 minutes.
No bulky fuel pumps, fuel lines or sandwich plates required! The N.A.D.S. system is 95% pre-built and includes a specially designed air cleaner backing plate equipped with an arming switch, nitrous solenoid, injector nozzle and ThunderMax HighFlow air filter. Installation is simple, requiring installation of the air cleaner back plate assembly and bottle kit with mounts designed to fit your bike.
And ThunderMax offers (sold separately) adjustments to your minimum rpm and vehicle speed nitrous activation points, along with fuel enrichment, ignition timing retard and nitrous delivery delay are configured within the ThunderMax software. (Installation on modified or larger than 96” displacement engines will require larger injectors and custom mapping for proper and safe operation.) Zipper’s Performance Products. During Sturgis Rally, in Rapid City at Black Hills Harley-Davidson.