Allmarine
Member
Hi
What is the cylinder between the muffler and the CAT. It has a small hole at the bottom (drain). Is it important or can it be removed? Does it make any difference to the performance of the truck?
What is the cylinder between the muffler and the CAT. It has a small hole at the bottom (drain). Is it important or can it be removed? Does it make any difference to the performance of the truck?