This is a direct-fit, bolt-on Flex-A-Lite® S-Blade dual electric-fan system for new body style 2001-2005 Chevrolet and GMC trucks with the 6.6L Duramax diesel. Dyno tests show a gain of up to 27 horsepower and 34 lbs-ft. of torque while also improving fuel economy by replacing your stock clutch fan ..
3" V-Clamp style flange fits the 1989 -1998 H1C & HX35 turbo outlet. The OD of the opposite end slips into a 4" OD tube. (Same flange used on our 1989-1993 Dodge 1st Gen style 4" downpipe.)
**PLEASE BE ADVISED THERE ARE NO RETURNS ON TWIN TURBO PARTS. NO EXCEPTIONS** ..