Quote:
Originally Posted by fordemt08
Hey Jake make sure your dealer wont screw you over on the duals part. I just had a muffler and dual tips put on my 08 5.4. My muffler guy that ive used for over ten years told me he has been told that some of the dealers are voiding warranities just for true dualing them, and cutting out their y pipe. Plus he told me that there is a good chance of torque loss opening the truck to much and not having any other mods to help compensate.
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Well that is true, true duals on a N/A enginge will rob torque unless its small enough. A SI/DO system will perform much better, but wont sound as sweet.