My name is Sherry. I am retired. My father , when alive was a machinic. After several mechanics recommending that we remove the emissions control to save on our engine we finally did it. Now our truck is louder (which is not too bad) but the exhaust is awful. We cannot roll our window down, and even with the widow up it comes into the cab at stop lights. The shop that took all of the emissions control off said we should put it all back to stock. Any advice please.
