Shop with Blessed Performance for the PPE Replacement Up Pipes for your 2001-2004 GM 6.6L LB7 Duramax diesel. PPE has taken the OEM replacement to a new level. PPE OEM Up-Pipes allow 53% greater flow over stock, and are a direct bolt-on to your factory manifolds. But unlike factory parts, PPE OEM Up-Pipes are manufactured from 11 gauge 304 stainless steel and include PPE's superior 304 stainless steel, internally-sleeved bellows that can take the abuse of high temperatures and pressures. Uses stock exhaust manifolds and hardware. Gaskets included.
Highlights:
- For Use With Factory Exhaust Manifolds
- Faster Spool-Up & Increased Performance
- Bolt-On Replacement (Federal Emissions LB7)
- Significant Reduction In Exhaust Back Pressure
- Free-Flowing Stainless Steel Inner Liner Bellows
- 2001-2004 Federal Emissions LB7 CARB EO# D-701-20
- Stainless steel 11-gauge .120-inch wall, 2-inch OD Up-Pipes