URO Parts 99610702601 Oil Separator for Porsche 911 & Boxster - High Performance Engine Oil Catch Can - Perfect for Track Days & Performance Driving

The original AOS in my 2004 Boxster S was leaking internally, leading to oil buildup in the intake manifold—a common problem for Porsche 986 Boxsters. After some research, I found that the URO 99610702601 Oil Separator is an excellent alternative to the OEM part, at about a third of the cost. Installation was straightforward with the right tools. Since I’ve done it before, it only took me about an hour. There are plenty of helpful YouTube videos to guide the process. After replacing the AOS, no more oil has been found in the intake pipes. Overall, I'm very satisfied with the product and hopeful it will last as long as the OEM version.