Brian, do you have an auto tranny? You better ask around before you install the brake. Most often and auto tranny needs to be built for an exhaust brake, thats alot of back pressure that most are not designed for
I don't think most gas engines could take that much back pressure. Gassers have a butter fly on the intake side that works kinda similar by make the engine work harder to suck in air. Sooner or later California business are going to have to rebel against all the nonsense or leave the state!
mike at graddys is cool, hes always buying, fixing and selling stuff. theres a good chance those trucks came outta california for a reason, may not let them back in
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