Pay in 4 interest-free payments of $120.00 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
They are a custom bore and width so that all factory hardware can be used
Option Installation kit available
1 3/8 UPGR
Engine Generation: 4th Generation
Here it is
Nitrous Express Water/Methanol Injection System 15121 K04211-HD-TZ They are a custom boreNX 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
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