Nitrous Express 4 Cyl Gasoline EFI Nitrous Kit (50-250HP) w/Composite Bottle - 80004EFI-12

NX direct port systems ensure consistent cylinder to cylinder distribution making them the preferred choice for high horsepower applications. These systems include billet aluminum and carbon fiber Lightning series solenoids, stainless hard lines, nickel...

Nitrous Express 4 Cyl Mainline Nitrous Kit w/2.5lb Bottle - 62028P

If you are a serious nitrous junkie on a tight budget we have what you have been waiting for! NX introduces MainLine Nitrous Systems. MainLine Systems benefit from the years of research and development that made Nitrous Express the leader in the nitrous...

Nitrous Express 4 Cyl Piranha Conversion for Single Nozzle EFI System to Direct Port - NX400

4 CYL PIRANHA CONVERSION FOR CONVERTING SINGLE NOZZLE EFI SYS TO DIRECT PORT. COMES WITH NOZZLES, JET PACK, METERING BLOCKS, AND PLUMBINGWarrantyCertificate of Origin

Nitrous Express 4 Cyl Piranha Nitrous Kit (For EFI Applications) w/1.4lb Bottle - 60008P

The NX direct port EFI systems are for the crowd who have already modified their engines with high strength internal engine parts. These systems utilize the patented NX Piranha nozzle and are adjustable up to 300 Horsepower (500 HP for 10 Cylinder)! ...

Nitrous Express 4 Cyl Piranha Nitrous Kit (For EFI Applications) w/1.4lb Bottle - 60009P

The NX direct port EFI systems are for the crowd who have already modified their engines with high strength internal engine parts. These systems utilize the patented NX Piranha nozzle and are adjustable up to 300 Horsepower (500 HP for 10 Cylinder)! ...

Nitrous Express 4 Cyl Piranha Nitrous Kit (For EFI Applications) w/2.5lb Bottle - 60010P

The NX direct port EFI systems are for the crowd who have already modified their engines with high strength internal engine parts. These systems utilize the patented NX Piranha nozzle and are adjustable up to 300 Horsepower (500 HP for 10 Cylinder)! ...

Nitrous Express 4 Cyl Piranha Nitrous Kit (For EFI Applications) w/2lb Bottle - 60007P

Nitrous Express 4 Cyl Piranha Nitrous Kit (For EFI Applications) w/2lb Bottle

Nitrous Express 4 Cyl Piranha Nitrous Kit (For EFI Applications) w/o Bottle - 60007-00P

The NX direct port EFI systems are for the crowd who have already modified their engines with high strength internal engine parts. These systems utilize the patented NX Piranha nozzle and are adjustable up to 300 Horsepower (500 HP for 10 Cylinder)! ...

Nitrous Express 4 Cyl Piranha Nitrous Kit (Pro-Mod) w/2.5lb Bottle - 60006P

NX Lightning Direct Port nitrous systems are the first choice of hard core racers and street riders that demand the absolute best quality and performance available. These systems include billet aluminum and carbon fiber lightning series solenoids which...

Nitrous Express 4 Cyl Piranha Nitrous Kit (Pro-Mod) w/o Bottle - 60006-00P

NX Lightning Direct Port nitrous systems are the first choice of hard core racers and street riders that demand the absolute best quality and performance available. These systems include billet aluminum and carbon fiber lightning series solenoids which...

Nitrous Express 4 Cyl Piranha Nitrous Kit w/2.5lb Bottle - 60005P

NX Lightning Direct Port nitrous systems are the first choice of hard core racers and street riders that demand the absolute best quality and performance available. These systems include billet aluminum and carbon fiber lightning series solenoids which...

Nitrous Express 4 Cyl Piranha Nitrous Kit w/o Bottle - 60005-00P

NX Lightning Direct Port nitrous systems are the first choice of hard core racers and street riders that demand the absolute best quality and performance available. These systems include billet aluminum and carbon fiber lightning series solenoids which...