blowoff

I used HKS bov last year, and have Check Engine Light + sensor Light vsa, etc problem. (sometimes , about 3 x, not all the time), I thought that was MAF sensor/ AFR read problem because of Bov, replaced that bov to stock ByPassValve this morning, but i still interest about "psshhh" sound. is...

I wanted an intake for my car but I didn't want to spend a lot of money so I decided to go to Amazon and look around. After my research, I found many good reviews for the "AF Dynamic" intake. On my list of mods to buy was an intake and blow-off valve, I bought my intake and I didn't have enough...