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iTrader: (5)

Is it possible to loose mpg by removing the cats. This did not set any codes since they were turned off. I did feel a slight decrease mpg. Any comments or ideas appreciated.

Gremlin5.3

I saw a slight increase in mpg when i removed my cats a couple of months ago. I added ASM headers and true duals at the same time though, so that's probably where the increase came from. I've seen a few people on here who have simply removed their cats, so maybe they can chime in with a more helpful answer.

cstchevy

I have removed mine and I see a better mpg on the highway where it can really flow but in the city it's about the same so far.

black5.3

HOw heavy is your right foot?!

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iTrader: (5)

Maybe it's just my imagination. I do have a heavy right foot.