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Turbo (LLY)

Just like fuel upgrades for your Duramax LLY, upgrading the turbo has to be one of the most fun and beneficial parts of owning a diesel truck.  Now only do they sound awesome, they keep the EGTs lower, and can build insane power and boost if you want them too.  No one ever regrets Turbo upgrades for their Duramax LLY!