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Discussion Starter #1
I need some quick tips before I spend cash. The acceleration on my car is terrible. When I take off, it lags really bad unless I floor it. I'm trying to make my 98k mi. ka last as long as possible, so I don't really want to have to do this. My exhaust sputters (I have leaks all throughout my exhaust system) and I burn lots of gas. I've changed my fuel filter, plugs, wires, oil and valve cover gasket. Any suggestions before i go get an engine diagnostics test? Thanks for all the help guys.
 

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Discussion Starter #3
I was told that my leaky exhaust system wouldn't be the cause of this much lag. Not true?
 

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Well if your O2 sensor is picking up bad reading because of loss of gas through those holes it may cause the car to run lean or rich. In turn making the car sluggish, maybe. Im not saying I know for sure what it is but I would start where you know there is a problem.
 

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Discussion Starter #5
Thanks. Will most catback systems be able to fit both my stock ka and an sr20, or will i have to purchase a new sys. when i change motors?
 
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