There are quite a few old threads on the NASIOC boards that show several poorly machined WRX APS flex uppipes. The bolt hole was too close to the edge and was causing the gasket to stick out into the port. Several members bought these bad uppipes.

Has APS fixed this quality control issue? Who out there has an APS uppipe and how many miles on it? Any leaks or other problems? Did you install or have a tuner do it?

Thanks.

P.S. Sorry I wasn't thinking when I posted this in the non-turbo forum. What an idiot I am...