1999 Porsche Boxster Dansk 100-Cell Catalytic Converters, / S
- Race Proven Performance
- Authoritative Sound
- Polished Stainless Steel 4301/304
- Sold As A Set Of Two
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.