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VF42 Twinscroll Turbo Kit WRX / STi 2.5L
Now available from SPO Motorsports in limited numbers is this VF42 Twinscroll turbocharger kit for your 2006-2007 2.5L Impreza WRX, 2004-2008 Forester XT, or 2004-2010 STi. Our operation in Japan came upon a limited supply of brand new VF42s, and we have put these together with our twinscroll exhaust manifold and twinscroll downpipe to make a complete bolt-on kit for your car. This kit needs a 2.5L oil pan for fitment on older 2.0-liter WRX models.
The VF42 is the OEM turbocharger that was supplied on the infamous S203/S204 STI models in Japan. The S204 is a competition spec Subaru offered only in Japan. VF42 is similar to the VF36, but comes with a larger compressor, and features a different turbine design with more blades. It is a roller-bearing setup that is similar in size to the VF22, but with much better spool-up and response, and more top-end. This turbocharger has the highest power potential of all the Subaru OEM twinscroll turbochargers.
The AVO short-pipe offered in this kit is constructed of high-quality stainless steel, and is 3" throughout. The twinscroll exhaust manifold is also of high-quality stainless steel, and includes the split up-pipe to the turbocharger.
Will work on 2002-2004 WRX when fitted with 2.5L oil pan
Will work on 2008-2010 WRX models when fitted with Front Mount Intercooler
Will work on 2005-2009 Legacy Turbo models when fitted with Front Mount Intercooler.