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I have an 04.5 LLY, it's got twin chargers on it and i want to build my own custom engine harness so i can move the FICM for piping clearance. I talked with a local GM dealer and they said they cannot look up the part numbers individually, they want to sell me a whole new engine harness. They...

I have an 04 LLY duramax that the intercooler has a hole in it. im looking to upgrade it rather thean replacing it with stock. any thought on which one is the best between PPE, BD Diesel, Banks or any other ones you know of. any help is greatly appreciated. Thanks