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Discussion Starter · #1 ·
i'm planning on upgrading my fuel system in my 09 si. i already have the full exhaust ready to install but wanted to upgrade the fuel side. any recommendations on the fuel rail, injectors and throttle body? also, do i need to upgrade the fuel pump too or should the stock one be strong enough? i'm not planning on a major build, but planning on upgrading to mild cams in a couple of years.
 
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