The Subaru Impreza Bugeye Modifications
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Introduction
The Subaru Impreza Bugeye, produced between 2001 and 2003, is often celebrated as the first “newage” model, known by its chassis codes GDA and GDB. Renowned for its iconic design and robust performance, owning a Bugeye is a joy for car enthusiasts. To elevate its performance, Japspeed offers a range of upgrades specifically engineered for its EJ20 turbo engine.
Exhaust Systems for Enhanced Performance
Upgrading the exhaust system is arguably the most effective method to improve turbo spool and top-end power in the Bugeye. Japspeed provides a 3″ turbo back decat exhaust system, compatible with both GDA (WRX) and GDB (STI) models. Additionally, customers can opt for a 3″ decat downpipe for maximum flow or a 200cpi sports cat downpipe for those needing emissions compliance. Furthermore, the Spec 3 tubular manifold, made from lightweight T304 stainless steel, replaces the stock headers, reducing weight and improving exhaust flow.
Cooling and Suspension Upgrades
Improved cooling is crucial for the Bugeye, particularly when running increased boost levels. Japspeed offers a 40mm alloy twin core radiator that provides up to 30% greater cooling capacity than the OEM unit, ensuring optimal engine temperatures. Also available is the Japspeed black front mount intercooler (FMIC) designed for the 2002–2006 GDA/GDB models, which significantly lowers intake air temperatures. To enhance handling, investing in performance suspension upgrades will further elevate the driving experience of your Subaru Impreza Bugeye.
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