Originally Posted by Jerembo47
Hello, I purchased an 07 wrx from the dealership and it has been pushing only 6 psi boost.
I have checked most of the vacuum lines, well the ones I can see on the turbo, MBC, inter-cooler and stock BOV. They are nice and tight.
On here it says mbc... sounds like u running on wg spring pressure.
Do a smoke test to make sure u don't have a leak.