Either problem can pop that code but based on your symptoms and that code alone id lean bad clutch packs youll probably need to do more diagnosis.
http://wiki.ross-tech.com/wiki/index.php/19143/P2711/010001
My CCTA 09 GL has a gutted precat oem downpipe which I ran on eurodyne stage 2 for a while. I had several downpipes in the past but sold them. The gutted precat oem downpipe runs without issues on stage 2. I have also ran it with stage 1 and the stock file and to my surprise it doesn't trigger a...