Quote Originally Posted by Sal-XK View Post
Is there a reason the cats are located where they are? Or can they be moved further down the line? If you get a aftermarket muffler the room cleared up in that space is huge. Just wondering if there is a reason cats are always so close to the engine.
The cats won't work if they're too far away from the engine; they need to reach a certain temperature to serve their purpose. Downstream the exhaust will be too cold and they won't do anything.