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04.5-05 GM 6.6L Duramax LLY PPE Replacement High Flow Up-Pipes

The PPE 116120405 Replacement High Flow Up-Pipes are an excellent way to up the performance on your 2004.5-2005 GM 6.6L Duramax LLY. These direct-fit up-pipes feature 11-gauge 304 stainless steel .120-inch wall construction and 2-inch OD up-pipes with internally sleeved bellows flow 53% more air while lowering EGTs significantly over the stock up-pipes. Quicker turbo spool up, reduced back pressure, and included gaskets makes installation of these 50-state legal up pipes a breeze.

FEATURES:
  • Direct-Fit Replacement
  • Quicker turbo Response
  • Reduces Back-Pressure
  • Includes Gaskets For Installation
  • Free-Flowing Inner Liner Bellows
  • Lower Exhaust Gas Temperatures
  • 50 State Legal (CARB E.O. D-701-20)
  • Stainless Steel 11-Gauge .120-Inch Wall, 2-Inch OD Up-Pipes

Part number: 116120405

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