Re: Bypass the cat?
My previous car was a 2002 dodge neon 5spd with an aem intake, energy motor mount inserts, ported TB, ported intake manifold and a MPX underdrive pulley. Finaly I added an OBX ceramic coated header/test pipe. The sucker was loud and anoyying on the highway. I did see better gas mileage and more performance. But personaly, I would just go with a high flow magnaflow cat or even a catcocat ( I hear they are the best ) with a turboback exhaust.
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