Can anyone tell me what size exhaust is on the XK8, I ordered specialized mufflers and an x pipe to replace the center resonator/Jags answer to an x pipe... that got tore up when my cats went out ( my kitty decided to blast the glowing chunks of ceramic out the back and dented the resonator outward/downward) and Ive read both 2.25" and 2.5"... the size I bought was 2.5" since that's what I was told by the part store but now I'm skeptical. I would check the diameter myself however a year ago I was diagnosed with cancer and don't want to rip out my intestinal feeding tube crawling on the ground or risking my life when my wife finds me working on my car while being sick, lol. Any help would be appreciated!