GM Duramax 6.6L (2007.5-2010) LMM Performance & Efficiency
The LMM Duramax is a transition legend—carrying the stout internals of the LBZ but burdened by the first generation of heavy emissions hardware. For many owners, the 2007.5-2010 years are marked by high Exhaust Gas Temperatures (EGTs) and a noticeable drop in MPG due to restrictive factory plumbing. At TruckTok, we’ve engineered the ultimate hardware solutions to "un-choke" your LMM, allowing this 6.6L V8 to breathe clean air and run with its original, unrestricted muscle.
Optimized Performance for the LMM Platform
Our 2007.5-2010 series targets the specific bottlenecks that lead to "Limp Mode" and premature engine wear in the Silverado and Sierra HD.
- High-Flow Intake & EGR Solutions: Stop the cycle of abrasive soot. Our kits prevent carbon from clogging your intake bridge and contaminating your oil, ensuring your valves stay clean and your combustion stays efficient.
- PCV Reroute Systems: The LMM is notorious for "oil-soaked" intercooler boots. Our reroute kits stop oily mist from entering your turbocharger, keeping your entire intake tract dry and soot-free.
- Aggressive Heat Reduction: By improving airflow and bypassing restrictive factory components, our kits are proven to lower EGTs significantly. This provides a vital safety margin for your head gaskets and turbo when hauling heavy loads.
- Precision CNC Construction: Built from aircraft-grade aluminum and industrial-grade hardware, our components are designed to withstand the high-boost pressures of a tuned LMM.
By Engine: Powerstroke | Cummins | Duramax