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Old 08-04-2012   #1
 
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Default i just bought cats for my h pipe that has no cats where do i install the cats ?

do i install them before the o2 censors ?all advice on this will be great .i have to pass emissions asap ...
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Old 08-05-2012   #2
 
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Default Re: i just bought cats for my h pipe that has no cats where do i install the cats ?

There are 2 sensors (one on each tube) before the cat (upstream) and one on each tube after the cat (downstream). Four total sensors. Install the upstream ones a few inches before the cats (on the angled part of the tube) and the downstream ones after the cat closer the the H so they don't pick up all that heat. If you need a pic I will take one of my original H pipe. Let me know.
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