Modifying Your Subaru – A Beginner’s Guide Part 1


WRX wastegate upgrade Subaru STi Impreza bov boost controller

You only need to flick through the pages of your favourite import performance publication or website to notice the aboundance of highly modified Subarus and in particular the ever popular Impreza range.

WRX wastegate upgrade Subaru STi Impreza bov boost controller

Subaru introduced the all-wheel drive, turbocharged Impreza WRX in 1992. Featuring low profile tyres, big brakes and sporty suspension, the WRX immediately proved popular amongst performance enthusiasts looking for a fast, well-handling compact sports car. 1995 brought Subaru a much needed race cred with Colin Macrae winning the WRC drivers’ title in his famous “555″ Impreza.

WRX wastegate upgrade Subaru STi Impreza bov boost controller

The rally success cemented Subaru’s position as a performance brand with solid roots in motorsport.The first North American Impreza WRX was sold in 2001 and the brand had since gained a strong foothold in the North American import market.

WRX wastegate upgrade Subaru STi Impreza bov boost controller

The Impreza WRX has been powered by various variants of the EJ series (2L & 2.5L) 16 valve, SOHC, flat four “boxer” engine. The powerplant proved to be very tuner-friendly with a majority of modified Imprezas producing well in excess of the factory 220bhp.

WRX wastegate upgrade Subaru STi Impreza bov boost controller

WRX wastegate upgrade Subaru STi Impreza bov boost controller

 

The Impreza WRX models are split into three major chassis types: GC chassis (1992-1999), GD chassis (2000-2007) and GE/GH chassis (2008-current).

 

 

1992-1999 GC chassis

WRX wastegate upgrade Subaru STi Impreza bov boost controller

 

 

 

 

 

2000-2003 GD chassis

WRX wastegate upgrade Subaru STi Impreza bov boost controller

 

 

 

 

 

2004-2005 GD chassis

WRX wastegate upgrade Subaru STi Impreza bov boost controller

 

 

 

 

 

2006-2007 GD chassis

WRX wastegate upgrade Subaru STi Impreza bov boost controller

 

 

 

 

 

2007-current  GE/GH chassis

 

Turbosmart offers plenty of performance products for the Impreza platform. From mild, bolt-on mods, through to full blown, high horsepower race builds there are Turbosmart products to suit every Subaru enthusiast, but more on that later, stay tuned!


One thought on “Modifying Your Subaru – A Beginner’s Guide Part 1

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