Straight thru? So you removed the pieces before 110 and 115? Than the muffler's and left the tips? What did you use to fit the pipes since they aren't really straight? Oh and I live in a state where I can't touch primary cats or even secondary cats. So the best I could do is remove the muffler's. Where could I find out if these are resonators before parts 110 115? Dealership through me for a loop and said they were resonators my indy said it's the cats? I just want that growl. Thanks. Oh and cos