Billet Turbo Resonator Plug

Fleece Billet Turbo Resonator Plug – FPE-RES-04.5-10

Fits 2004.5–2010 GM 6.6L Duramax LLY, LBZ & LMM Engines

Eliminate weak points in your Duramax turbo system and clean up your engine bay with the Fleece Performance FPE-RES-04.5-10 Billet Turbo Resonator Plug. This plug replaces the factory plastic turbo resonator on top of the turbo mouthpiece found on 2004.5–2010 GM 6.6L Duramax trucks, including LLY, LBZ, and LMM engines.

The OEM resonator is known to deteriorate or rattle under boost—this CNC-machined billet aluminum plug provides a permanent, high-strength solution while also giving your engine bay a sleek, performance-focused look.

🔧 Key Features:

• Direct replacement for factory turbo resonator on Duramax diesel engines

• Compatible with LLY, LBZ, and LMM 6.6L Duramax

• Precision CNC-machined from billet aluminum for strength and durability

• Eliminates failure-prone plastic resonator cover

• Simple, drop-in install – no modifications required

• Anodized finish for corrosion resistance and clean appearance

• Improves under-hood aesthetics and long-term reliability

• Perfect for performance builds, engine bay cleanups, and tuned trucks

• Designed and manufactured by Fleece Performance Engineering

Fitment:

2004.5, 2005, 2006, 2007, 2008, 2009, 2010 Chevy Silverado & GMC Sierra 2500HD / 3500HD
With 6.6L Duramax LLY, LBZ, or LMM engines