Wehrli's Stage 1 upgrade for the 2011-2016 LML Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard-working and high-performance applications.
The 3" High Flow Passenger Side Upper Crossover Intercooler Pipe provides a 20% increase in size over the OEM part. Eliminates resonator for improved appearance and more aggressive turbo and engine sound. For use with the OEM Y-Bridge and connects to the factory throttle valve and grid heater.
The 3" High Flow Driver Side Intercooler Pipe replaces the factory two-piece 2.5” pipe with a high flow 3" pipe.
The 3.5" High Flow Passenger Side Intercooler Pipe replaces the factory plastic two-piece pipe with a high flow, 14 ga. aluminum one-piece 3.5" pipe.
Includes upgraded silicone boots to withstand higher boost pressures than the factory components to increase reliability and eliminate blown factory boots and horsepower-robbing boost leaks.
Finished in your choice of custom powder colors. Pairs best with emissions-compliant tuning and drop-in turbochargers for optimum performance gains.
Kit Includes:
- 3" High Flow Crossover Pipe
- 3" Driver Side (Hot) Pipe
- 3.5" Passenger Side (Cold) Pipe
- Silicone Boots & Stainless Clamps
Features & Benefits:
-
Improves Efficiency & Performance
- Mandrel Bent Aluminum Construction
- Compatible W/ OEM Y-Bridge
- Direct Replacement W/ No Tuning Tuning Required
- Fits The 2011-2016 LML Duramax
