Average Reviews:
(More customer reviews)I purchased the cat-back system for a 2005 Expedition through a local dealer (AZ). The system did seem to add performance, along with an aftermarket intake filter system and programmer added at the same time to increase towing ability for a 25' travel trailer. Unfortunately, the exhaust sound was a constant, tiring, annoying "drone" at about 2000 rpm, which is where most highway miles happen.
I contacted Magnaflow with a list of questions, but received only a partial answer and they did not respond to a follow up email with the unanswered questions. However, per their recommendation and the advice of a local dealer, I had a larger (longer) Magnaflow muffler installed. The noise was even greater! I then had Dynamat installed throughout the vehicle (doors and floor) at significant cost, but with no appreciable noise reduction. With no response from Magnaflow, the dealer then recommended a GM stock replacement muffler - problem cured, but at still more cost to me.
The additional performance may be as advertised, however, the increased noise was not worth the extra hp, and the lack of appropriate mfr response to specific questions was the reason for the rating.
Click Here to see more reviews about: Magnaflow Exhaust System - , . FORD EXPEDITION (ALL) (V8; 5.4; GAS) 5 x 11 x 22 in. Muffler; 3 in. Tubing; Side Exit; 4 in. Tip; Mandrel-Bent; 2001 - 2002
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