I am out of the country. But what I am being told, no loss of power, no smell to exhaust, no loss of antifreeze, oil black like normal, smoking so bad going down road cannot see behind. parked and off black liquid draining out of muffler. No smell to liquid. I do have an AMSOIL bypass double oil filter on it. I also have the Banks six gun tuner with dial. Mostly kept in tow mode. K&N air filter, AMSOIL synthetic oil since about 45,000 miles and currently has 115,000 miles. Banks Exhaust break that is always on. Has 6- Speed manual transmission.