lol just because someone sees a yenko doesnt mean they instantly kno what it is... unfortunatly GM aftermarket isnt quite like ford (SVT,Saleen,Roush etc.) I new about Yenko from reading Camaro Performers just alil before getting my Camaro and then Berger and then i heard about Lingenfelter and finally not to long ago i heard about Callaway. Those are the only GM aftermarkets i know of.