In this article, we are going to focus on cat back exhaust systems, and the main ten reasons that we have discovered as to why they are worth a look. If we know our car lovers, finding the right exhaust system for a car or truck is about getting more power without spending a fortune, and cat back exhaust systems tick a lot of boxes. Here is a pic of a converter and looking through the high flow core. Unleash the potential of your big displacement K motor with our high flowing 3" Header sr20 downpipe.&nbsp