My friends and I, hell even my dad, have replaced the radiators in our Cherokees with the 3 core GDI radiator...It's amazing. None of us have any issues towing, stop and go traffic, or 4-lo on the beach on hot summer days. Go to advance auto, tell them that you want the extreme duty heatbuster, think its about $210. Trust me I know it works, I work for advance and use that radiator. The standard replacement is in the mid $100, the little extra cash now, will have you cruising cooler in no time.