3.5" Intake Horn for LBZ/LMM Duramax with VGT Turbo. Compliment your WCFab 4" intake kit with this high flow turbo horn powder coated your choice of color.
NOTE: Does not have provisions for the factory breather line or Turbo Resonator box!
NOTE: ONLY fits with a WCFab 3" y-bridge kit.
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