Originally posted by LateralFace:
Aren't you supposed to put the cat as close to the engine as possible? Something about cooling down the exhaust so it flows best? Don't know for sure, just somehting I remember hearing.



Cats have to be hot to work. The Precats heat up before the main cat does, but once the main cat heats up, it works fine.

Cats have nothing to do with cooling the exhaust, or improving flow.

Function before fashion. '96 Contour SE "Toss the Contour into a corner, and it's as easy to catch as a softball thrown by a preschooler." -Edmunds, 1998