The New CTR-X650 direct replacement for the Subaru WRX 02-07 / 2004+ STI is now available! The turbocharger is integrated with CTTI proven patented triplex ceramic ball bearing system with a mechanical efficiency of 99% which leads to extremely rapid vehicle acceleration.  The CTR-X650 utilizes a 7/14 vaned compressor wheel and embodies the latest in compressor design technology. It features a minimum diameter hub to maximize intake airflow and an extended tip design for increased efficiency at higher pressure ratios. The CTR-X650 turbocharger for the Subaru WRX 02-07/2004+ Subaru STI direct replacement was engineered with three standard rules innovation, performance and durability. Color customization is available for your Subaru CTR-X650 compressor housing, compressor wheel and bearing housing. Experience the latest turbocharger technology!