Dansk 100-Cell Catalytic Converter boxster

* Race Proven Performance_x000B_ * Authoritative Sound_x000B_ * Polished Stainless Steel 4301/304_x000B__x000B_Most stock catalytic converters have upwards of 400 cells per square inch in the metal substrate honeycomb matrix used to remove pollutants. This tight cell density can restrict exhaust efficiency. Dansk hi-flow racing converters use only 100 cells per square inch, decreasing back pressure and increasing horsepower. gaskets and hardware sold separate.