loose of power....have you put an aftermarket air intake on you're truck yet?
I have the K&N filter/air intake system on my 2006 but it shouldn't cause a loss of power. Have it checked for trouble codes and start there.
I agree with Don. I have an Afe intake system - works great!
Search Ford F-350 Super Duty Questions
Ford F-350 Super Duty Experts
Related Models For Sale