I use it .. have tried multiple other solutions .. and although i have not had a bad experiance with them, for me the opti lube works better in my truck. I run the cetane booster and the lube (4 oz) . deff quites the truck down. Also still continue to run rev x in the oil.
2005 F250 Harley CC SB Banks IQ, 4" Exhaust, Banks Techi Cooler with High Ram, Cold Air Intake, Cat Delete,EGR Delete,Coolant Filter,Amsoil Oil Filter Bypass, PHP ECM Rollback, PHP FICM Tuner, WW2,Rancho 9000XL shocks. Firestone Air Springs w/Daystar Cradles. 224K