A company by the name of Car Chemistry makes these neat little inserts that fit into the exhaust pipe (welded) and act as a resonator. I went too conservative with a 3in/3disc set up and had to cut open the pipe to take a resitrictor off. Works well in killing off most of the reverb from the Magnaflow and even stopped the code 32 on the highway. Worth looking at if the exhaust is too loud and there's no room for anything else.