The custom tunes for the SCT not only tune the engine, they turn off the EGR valve as well as tune the tranny. You can pm the venders here Price Quote - Request A Price - Diesel Bombers

Once you decide you you want to go with ask what all there custom tunes do. They should do everything mentioned above. I believe most vendors on here can also provide the custom tunes.:tu::c:

and one more thing :hi: