NO THE MOTOR RAN STRONG AND HAD NO SMOKE ISSUES THATS WHY I CANT FIGURE IT OUT, IT ALSO IS THROWING AN CHECK ENGINE FAULT BECAUSE THE LIGHT KEEPS COMING ON. I CHECKED IT OUT AND THATS WHERE I FOUND IT WAS THE RIGHT BANK RUNNING LEAN. I DONT KNOW IF MAYBE ITS A COMPUTER THING BECAUSE I REMOVED THE CATS AND ALL THE EMISSIONS STUFF?? WHEN ITS FIRST STARTED IT RUNS STRONG WITH NO SMOKE THAT IS ANOTHER THING THAT CONFUSES ME. IT DOESNT SMOKE UNTILL THE ENGINE IS WARMED UP TO RUNNING TEMP.