Shop with Blessed Performance for the PPE Replacement High Flow Up Pipes for your 2004.5-2005 GM 6.6L LLY Duramax diesel. 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.
Highlights:
- 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