Quote:
Originally Posted by PaleMelanesian
Motor Trend or Hot Rod or some other magazine tested a Camaro, and it actually ran better dyno numbers WITH the stock cat in place, compared to open pipes or a high-flow cat.
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if homogeny is designed around the cat it will be like that. I found pre-mid 90s could be a nasty cat and aftermarket is welcome on alot of american.
the 1994 is right in the middle someplace...hard telling what it needs.buy a magnaflow, common name. bigger headers is gonna slam oem, not good, and its coated to be hotter down the line. high flow welcome is my guess..not cheating emissions, the change would be to get it correct. I also found stepping up igntion fire is a must do if you open the engine exhaust side...that is also another reason to get the higher flow cat, they go together.
make big noise..you aint got a big engine yet.
I would hope this is beyond an old school day dream to just make big noises.It needs other things to get it right.