I was going to upgrade to the BD Twin Turbos so I needed a stronger more reliable exhaust manifold to replace the stock manifold. My stock manifold was just fine, but the problem that a lot of people have is that after they add a certain amount of power, the stock exhaust manifold will crack. In some situations people are not even adding horsepower and their stock manifolds crack.The ATS Exhaust manifold is designed with a pulse manifold design which eliminates the problems with shrinking and breaking as well as cracking and gasket issues. The ATS design helps to increase [...]
