PVC is susceptible to a slow collapse while clamped down with something. not sure if it has to do with heat or not, but my air-tube has done this. next time i clean my filter (this weekend), i'll get a shot or 2.

95 Sportage w/welded and 5.89 geared dana 44's on 38.5" TSL's.- SADLY SOLD
CURRENTLY - 2000 sportage, 5.38 gears, welded diffs, 35" tires, 5.5" lift

http://www.cardomain.com/ride/341410