Manifold back exhaust question
After looking further into my truck its leaking at the driver side frt cat, and the passenger side frt cat is making a rattling noise inside
So Since I'm super cheap but want to to everything right, what is the best but cheapest way to replace the exhaust from the manifolds back?
Can I use just one universal cat on each side and have a o2 sensor in frt and behind the cat So a total of 2 universal cats and 4 o2 sensors, and then one muffler?
Or should I do as above but go with dual exhaust and have 2 mufflers?
The truck runs great, looks good just has 207,000 miles and rust on the bed. Purrs like a kitten and I dont want to go buy something else and then have to worry about the what ifs, I already know this truck
My wife is about to make me sleep in the garage as I am driving her crazy about this LOL
Fyi Its a 99 f-150 4x4 with the 5.4
With the truck cold run a bungee around the rattling cat then fire the thing up for a few minutes to see if the rattling is gone or is diminished to see if the rattling is just a heat shield. If it is diminished or gone you can just get a 10 or 12" "duct" clamp(at home depot, etc) and tighten the heat shield down after using a piece of wire to determine the size you will need.
If it is not the heat shield something is inside the cat and you will need to replace it.
As far as the leaking cat use some muffler tape.
Buy direct fit front pipes and converters. Do it right. Back half is easy to make or take it to a shop and have the back part made.
If the converter is bad and rattling something has caused that. They don't fail on their own. They don't wear out. Just know that if there is an issue it may hurt the new converter. Oh and replace all the oxygen sensors. O2 sensors do degrade over time. Optimal life is @100k
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