Ford 6.8 Y pipe mod opinions/ recommendations
While I was under the Excursion to fix a rusted cat converter hanger I noticed that y pipe to converter flange bolts were heavily corroded also. So this presents a good opportunity to do the y pipe m...
Forum Discussion
I did the Y pipe mod years ago (SPD) but I also did the tuner at the same time. So I couldn't tell you if it made a difference. I did notice that I had slight carbon tracks coming from the exhaust flanges before the Y pipe mod. Now I don't see that anymore, so that tells me the restriction is gone. I have no flutter from the exhaust.
