Green ButtonZEX Nitrous is a member of The COMP Performance Group, which includes COMP Cams, FAST, Racing Head Services, Russell and TCI. Founded in 1998 and based in Tennessee, ZEX designs and manufactures complete bolt-on nitrous systems, nitrous accessories, fuel system components, and spark plugs. They combine innovation with simple installation for optimized performance. ZEX strives to provide more efficient nitrous injection for horsepower gains without compromising engine safety.