These clamps suck! I have yet to find a gasket that will fit between the muffler and tuned pipe and allow for the installation of this clamp. Without pressure, they all go together. I bought one from Amazon that didn't work. Tried in advance auto, autozone and foreign auto parts. They all have different seals somehow, but none of them allow you to squeeze the tubes tight enough to fit this collar. During this application I had all new Walker parts. I would try a scion and avoid this clamp, theβ¦