Agency Power Performance Headers Porsche 996/997 99+
... Power has continually done. Developing yet another high quality product for the Porsche
vehicle, Agency Power has released their Porsche
performance header kit. These headers are 321stainless steel. Each headers is ... the sound of the Porsche
, increase air flow, and improve horsepower. During dyno testing, the headers made almost 5 wheel horsepower. On a Normally Aspirated 996 or 997
, this is about average ... Details...