Ever heard a valve pop? Get a 90 Mustang GT with open headers, drive around at WOT for about 30 minutes, then turn off the car when it's 25 degrees F outside. That cold air rushes in and hits the exhaust valve. It makes a loud pop  interesting indeed
-chris-
96 gl: 18" adr reactions, SVT rear bumper & side-skirts, Magnaflow exhaust, CTA Intake, ACCEL coil, 9mm wires, Kenwood, Blaupunkt, Sony Xplod Mobile ES, OBX pedals w/dead pedal, neons, bnmotorsports gauges, autometer monster tach, and ZAINO!
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