I just purchased a 2015 Ford Expedition and was hoping I could get some opinions on a muffler exhaust system and what options are out there. I understand that I will not get the same tone out of an Ecoboost but I want something very aggressive sounding. Manga flow sells a cat back system but...
Thank you for the response. So it probably is not a good idea to start making changes like that. Is it ok to go ahead and at least install the Cold Air Induction or would I want to get the computer reprogrammed if I decide to add?
I am new to the forum and wanted to do a little light modification to my 2006 Expedition. I was thinking of installing the Flowmaster 17411 kit but did not know how aggressive it would sound on a 5.4 motor. I was also thinking of a cold air induction K&N 57-2568 and a mass air flow meter or a...
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