And I thought tighter than a crab's *** was a funny one! (BTW: It's so tight, it's WATER tight)
I haven't installed mine yet, but TTI is universally acknowledged as being the only QUALITY exhaust systems for our cars. I hear that scattersheilds touch, and sometimes the valve covers come close to pipes, but they are beautifully made. Oh, and BTW: Unless your making some stupid horsepower, the 3" system might actually HURT your performance. I went with the 2.5" X pipe system myself.