'88 Wrangler w/4.2 & Auto Trans. Cat Convert was removed from my Wrangler when I purchased it. Want to replace. Where does Air Tube attach?
I hope the last owner did not take out the smog pump.
Check under the hood,look for a smog pump.
The smog pump provide more "fresh air" into the cat. in return you get a cleaner exhaust.
In some state,the tech can fail smog check because of missing emission part(s)
The pipe is pretty long and it's well constructed.
try to cross Carquest AT167 Air Tube Kit at you local part store.
Take a second look on the Serpentine Belt path for the smog/air pump.
Most owner does not go though that much trouble to save 12 pound of weight.
Depending on the engine code (6th digit on VIN # / C or M)
The smog pump will cost between $43-47
Is the smog pump mount still in the Jeep?
Check the belts routing diagram under the hood will give more info.
Check the emission sticker under the hood of the Jeep before you start the restoration project.
There are FEDERAL and California emission standards.
Look at the emission sticker and rebuilt it back to its org. requirement.
If my post is helpful to you then PLEASE rate it.
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The jeep has air injection and this is part of the air pump. The cat should have two ports.. These tubes should have check valves to prevent backfire.Usually their routed up on both sides of motor and attached at the air cleaner abouts
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No Smog Pump. Must have been removed.
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