I just ihad these installed with the 1 3/4" Kooks long tube headers and retained the stock cat back system of my 2013 Boss. Guess what?, no CEL after the 200 mile trip back from Dallas and a few days around town. Everything I read said this was a false promise. So far, so good. I am totally satisfied with every aspect of this mod. My car is awesomer than ever and NO CEL!
Review by Joe /
(Posted on 5/12/2013)
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