Nitrous Express Water/Methanol Injection System 15125 GMC Sierra 3500 2004 to 2006 1-1/8 in Cap

1-1/8 in Cap

Raw (128052000) - Brushed (128052010) - Black (128052020)

Proven Cheetah Technology: Drop-In Replacement

Chevrolet Tahoe 1999

Firepunk Billet Oil Cap Cover

Nitrous Express Water/Methanol Injection System 15125 GMC Sierra 3500 2004 to 2006 1-1/8 in CapNX direct port water methanol systems inject the water methanol mixture directly into each intake runner providing excellent distribution to each cylinder. These systems include a high pressure electric pump, high pressure push lock hose, filtered nozzles, nickel plated fittings and a composite reservoir. Stage one systems include a wide open throttle activation switch while stage 2 and stage 3 systems include digital progressive controllers that