For VW MK6 GTi 2.0T TSi 2010-2013. For VW MK5 GTi 2.0T TSi 2009. For VW Jetta MK5 2.0T TSi 2009. For VW Scirocco 2.0T Tsi 2009. For Audi TT MK2 2.0T TSi 2009-2013. The aluminum pipe replaces the brittle factory plastic pipe which can fail under increased boost pressure.