VSE | 2020 - 2026 3.0L Duramax High Flow Exhaust Manifold VSE High-Flow 3.0L Duramax Exhaust Manifold | LM2 & LZ0 21% LESS EXHAUST DRIVE PRESSURE — IMPROVED FUEL ECONOMY, EFFICIENCY & RELIABILITY Introducing the new VSE High-Flow Exhaust Manifold for the... MSRP: Was: Now: $995.95 Choose Options