What does that actually do that flapper thing? I had mine apart while cleaning up the pipes but Just put it back the way it was thinking it was something to do with creating back pressure
What does that actually do that flapper thing? I had mine apart while cleaning up the pipes but Just put it back the way it was thinking it was something to do with creating back pressureDisconnect the cable from the exhaust flapper as a starting point and see how it sounds to you..... lots of posts on this if you search a bit.... this was enough for me in my 21 scram.