And yes I believe most fuel injector kits are for port injectors I don't believe you have to upgrade direct injectors when just upgrading port injectors but don't quote me on that. You might have to upgrade your fuel pump if you plan on getting bigger injectors inorder for them to work properly also.[/QUOTE]
Just upgraded to flex fuel kit and 1050x injectors through CSG. No need for larger fuel pump as of yet. If you order through their site, it gives a brief explanation of your needs/requirements based on what you have and what you're trying to achieve
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