Circuit Werks latest 2000-2004 Porsche Boxster 200 Cell High Flow Cats (AKA Catalytic Converters). Fits all 2000-2004 986 Base Models and Boxster S Models. Fits both 2.7L & 3.2L. Will also work on 97-99 Boxsters if you use a 00-04 headers. Tri-Bolt flange bolts directly to your OEM or any aftermarket headers with our supplied hardware and gaskets. The Outlet clamps directly to your OEM "C" Pipes. Both HFC's combined only weighs only 12 lbs. You save about 21 lbs off your stock catalytic converters, plus it'll gain/free up about 4-6 hp depending on your intake, headers, and exhaust setup. All combined even more hp gain. There are 2x o2 Bungs on each side of the pipes for your o2 sensors. This listing is for both left and the right side. Please note that this replaces your factory catalytic converter and might not pass emissions in some states due to the high flow 200 cell catalytic converters. This is not C.A.R.B. approved. Also available in Resonated and Straight Test Pipe version. Please check out our Ebay Store.
By installing our Circuit Werks High Flow Cats, you will not only improve dramatically the sound of your Boxster, but you will also gain the horsepower since it's not restrictive anymore where you would normally drive the car. Like to a local car meet, to work, or weekend cruising around town. The sound will be slightly louder since your cats are deleted but once you step on it, you can hear the deep sport tune and depending on the exhaust you have. Comes with a limited warranty from the purchase date. Brushed Finish stainless steel, all are hand built to meet our high quality standard, then T.I.G. welded together.