I bought a set of 91-94 stock cats and I noticed that they are hollow inside. Is that right? I was expecting some form of honeycomb structure inside. How is this different than a straight pipe?
Inside view
Inside view
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Stock cats are...hollow?
- Thread starter dablackgoku1234
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- 91-94 hollow cats stock cats
I think you got took. Someone broke up and/or removed the mesh grid that should be in there.
No, there should be a white ceramic honeycomb inside the cat. Some people remove the core to have it function like a "stealth" test pipe. Did the seller tell you it was hollowed out? The core contains precious metals like platinum, so many people either steal or sell these parts to scrap metal shops for cash. I hope you didn't get ripped off, that sucks. :frown:
oh booo :frown: ebay special
I bought an exhaust and the cats were attached to it. I guess that makes my exhaust slightly more expensive
I bought an exhaust and the cats were attached to it. I guess that makes my exhaust slightly more expensive
Test pipes FTW!
These cat's have been lightened.
With the added weight savings your car will be quicker.
With the added weight savings your car will be quicker.
your car is a '91 right? honestly i would put them on and not even worry about it. unless you are trying to go green. as long as it looks like you have cats on a 95 or older car they dont even check. thats the way it is where i live neways
Yea man sounds like you got had... those have been hollowed out :frown:
I have a set of test pipes as well, but I'm gonna leave my stock "un-gutted" cats on to keep the heat score low.
Cars without cats stink.
that is not true I have one NSX all stock and the other has no cats and they smell the same. Sure the one with no cats smells a little more but it does not stink at all. It smells bad when your cats are bad then you get the rotton egg smell.
that is awesome. will look much better under the car than my straight shinny pipes that you can clearly see if you look under the car.
or just get free-flow cats and do the right thing.
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