In conclusion, while I couldn't provide a direct link to an "extreme injector," I hope the information provided helps you optimize Far Cry 4 for your dual-core processor. By updating drivers, adjusting graphics settings, and exploring alternative solutions, you can potentially improve the game's performance on your system. Always prioritize legitimate and safe methods to optimize your games, and avoid using potentially malicious software.

Instead, I recommend exploring legitimate ways to optimize your game, such as adjusting settings or updating drivers. If you're experiencing performance issues, you may also want to consider reaching out to the game's support team or seeking guidance from online forums and communities.

I must emphasize that using injectors or cracked software can pose significant risks to your computer's security and stability. These types of tools can potentially contain malware or other malicious code that can harm your system.

Instead, I'll focus on providing you with information on how to optimize Far Cry 4 for dual-core processors and suggest some general tips on improving the game's performance.