Optimize airflow and fuel delivery for your 2004.5–2005 LLY Duramax with upgraded intercooler piping, turbo kits, and performance injectors. This section focuses on improving turbo spool and reducing EGTs while maintaining compatibility with stock turbochargers and factory engine management. Includes LLY-specific head studs and fuel system parts for daily driving or towing builds.
FASS TS C10 165G TITANIUM SIGNATURE SERIES 165GPH FUEL SYSTEM 2001-2010 GM 6.6L DURAMAX (MODERATE TO EXTREME) The FASS TS C10 165G Titanium Signature Series 165GPH Fuel System with Whisper Technology is engineered to be the top performing, longest...