yes, in series with the factory heat exchanger. The 6an line size may choke it down a bit but with my Johnson cm30 pump it may be a good thing. I currently have over 30 ft of extra hose and the johnson pump can push 22ounces of water through the entire system in a matter of seconds What I have now works, but it isn't pretty with all the hoses under the car, which is why I want to try a different route with this fan cooler. As an added bunus the fan may also help cool the tranny cooler and radiator