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This NX Dry Direct Port System provides nitrous directly into each cylinder through a set of high flow NX Dry Nozzles
So if you are changing your injectors
(50-300/100-500HP) WITH 10LB BOTTLE
FOUR CYLINDER MAINLINE SYSTEM
Mahle Motorsport 407cid 4.075 x 1.951CH, 3.898stroke,6.417rod,1.358pin,-40.7cc,880g,16.8CR, M142 930036075T Ford F-450 Super Duty 2004 to 2007 This NX Dry Direct PortGM 6. 6L Duramax Cast Performance Pistons 407cid 4. 075 x 1. 951CH, 3. 898stroke,6. 417rod,1. 358pin, 40. 7cc,880g,16. 8CR, M142. Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016 GMC Sierra 2500 HD 2001 to 2016 GMC Sierra 3500 HD 2007 to 2016 Chevrolet Silverado 2500 HD Classic 2007 to 2007 Chevrolet Silverado 3500 2001 to 2006 Chevrolet Silverado 3500 Classic 2007 to 2007 GMC Sierra 3500 2001 to 2006