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Effectively save room under the hood, give the engine bay an attractive look, and increase intake sound.
A perfect replacement for Duramax Engines LLY LBZ LMM 6.6L 2004.5 2005‑2010.
According to the original factory specifications, replacing OE number is 551503 for reference.
An useful helper when removing bulky resonator noise‑reduction box from the intake tube.
Satin aluminum finish for durability and corrosion resistance with stable performance, long service time.