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Are you annoyed with that 2800 rpm stumble you get while driving your 2008+ Subaru STI? Wish you could easily fix it? COBB has the answer, the COBB Subaru 08+ STI Fuel Pressure Regulator Kit. A plug-and-play solution that is simple and easy to install. It requires no cutting of factory hoses and is multi-fuel compatible. Make your drive a little less annoying for your car and yourself. Fix it right with COBB!
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