Aside from revised horsepower ratings thanks to new testing procedures, Subaru’s base Impreza sedan and wagon are unchanged for 2007. The high-performance Impreza WRX STi gains an optional Limited ...
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How Loud Is This 524hp Subaru STi?
The 524hp 2007 Subaru Impreza STi hits the dyno with equal-length headers, a screamer pipe and raw EJ25 turbo sound. No music ...
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