Zilo's above comment is reasons why you should read (and let your brain absorb) responses properly before replying...
The testing was done in 2005-06!
And 20-40psi (350-700rwkw) is the rough range of these boosted cars with standard or built motors!
Anyway zilo, you stick with the stock paper filter and your
MAF sensor won't get hurt on your holden... And every tuner will also tell you to ggf!
Now that is worth a LMAO!