The CTS Turbo MK4 R32 cat-back exhaust system is hand tig welded using the finest T304 stainless steel. The other MK4 R32 exhausts that are currently available choke peak power and limit the R32s breathing due to their 2.5" construction. The 3" design is ideal R32's equipped with turbochargers or superchargers, and those of us chasing serious horsepower.
