Follow-up, 8000 Miles, from Long Island to the West coast pulling 8000 plus pounds. Starting from below sea level to over 11000 feet elevation, not one cooling problem with this fan. I still have the single therm. unit, with the low the low flow... ...read more From: Linda C.
I installed the 4" exhaust on my 96 Suburban in about 2 hours with only one arm.....lol...recovering from rotator cuff surgery was a bad time to lose the exhaust system! I had to cut about 3" off the primary pipe, and didn't use the secondary pipe at all.... ...read more From: Alfred R.