looking for plugs for my speed6

[glanata86]

i have full turbo back exhaust full intake and tuned on cobb accesport stage 2, im looking to get new spark plugs, ive heard the one step colder are the ones i need, wich ones should i get? thanks

 

[keymaster]

Denso ITV22.

 

[bova80]

was it necessary to start 2 threads?