Driveshaft Shop 500HP Rear Axle 1992-2001 Impreza WRX STi (GC8) / 2002-2007 WRX (GD) with R180 Differential Conversion Wheel Center Caps You get rid of that

You get rid of that high RPM/hard shift sonic boom

Replace your restrictive stock S13 Rubber intake pipe with this high flow polished aluminum intake pipe

04-11 Subaru Forester XT

Part Number: 06052-HD00

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Driveshaft Shop 500HP Rear Axle 1992-2001 Impreza WRX STi (GC8) / 2002-2007 WRX (GD) with R180 Differential Conversion Wheel Center Caps You get rid of thatPart #: RA8526X4 Impreza WRX STi (GC8 except Type R RA) and Impreza WRX (GD) with R180 differential conversion 500HP Rear Axles (R180 Differential ONLY). These axles use our new proprietary outer CV that is a direct fit to the factory wheel hub, our aerospace grade torsional 32 spline axle bars, increased from the factory 29 spline bars, and a billet ball & cage inner cv with our high grade inner differential spline for the R180 differential. Please