RAPTORAZ
12-19-2001, 01:11 PM
I've got a fellow co-worker(without a computer) that has a 2001 400EX with an I.M.S. 440 kit and an XR400 cam using the stock headpipe and a Pro Circuit T4 silencer. He wants to upgrade to a complete exhaust system. What do you all recommend for him? We mostly ride dunes and desert.