Stage 2 upgrade for the 2001-2004 LB7 Duramax combines our Stage 1 High Flow Bundle and Stage 2 Intake Kit into a single package providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up.
- 3" Fabricated Y-Bridge (for OEM style intake horn) - 3" Passenger (Cold) Side Intercooler Pipe - 3" Driver (Hot) Side Intercooler Pipe - 4" Intake Pipe - Air Box with Lid - Dry Air Filter - Outerwear's Pre-Filter Cover - 4" Intake Horn - 14 ga Aluminum Construction - FPRV Block Off Kit - O-Ring Bridge Flange Gaskets - Map Sensor Seal and Hold Down Bracket - Silicone Boots - T-Bolt Clamps - Durable Custom Powder Coat Finish - Made in USA
