Mustang EcoBoost Maintenance
Hey guys, 2016 EcoBoost, non-pp, manual, with an MBRP race cat back, stock tune, and 46,000 miles.
Currently I have to push the car pretty hard to make a max of even 10-13 psi of boost, whereas before it would be around 21-22 psi.
However, if I rev the car in neutral to around 2-3k rpm, at...