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2004.5 – 2005 Duramax LLY
Browse the wide selection of products we have available for your 2004.5 – 2005 Duramax LLY.
Showing 1–9 of 55 results
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EFILive AutoCal w/ Custom Tuning
Our EFILive Custom Tuning is backed by over 9 years of vehicle testing and precision adjustments. VIN Licenses are required to tune additional vehicles per tuning module. Entered VIN must match the VIN in the ECM. A new purchase is required for VINs that do not match.
2018 Cummins: A Cummins Unlock Cable is required for tuning.
Brands: EFILive, PPEI -
EFILive Custom Tuning
Our EFILive Custom Tuning is backed by over 9 years of vehicle testing and precision adjustments. VIN Licenses are required to tune additional vehicles per tuning module. Device not included Entered VIN must match the VIN in the ECM. A new purchase is required for VINs that do not match.
2018 Cummins: A Cummins Unlock Cable is required for tuning.
Brands: EFILive, PPEI -
EFILive VIN License
Flashscan V2/AutoCal VIN Licenses are required to tune additional vehicles per tuning model (GM or Cummins). Each VIN License allows you to tune one engine/transmission controller. Serial Number & Auth Code Retrieval required.
Brands: EFILive, PPEI$125.00 -
2001 – 2010 Allison TCM Tuning
The PPEI EFILive Allison TCM Tuning is a major benefit to all users regardless of their modifications. The TCM Tuning comes with an earlier lock-up strategy that ultimately allows for the truck to put all the power to the ground more efficiently than the stock TCM calibration would allow. As for those weekend warriors it can knock off .05 off your track times for stock transmission applications and even more time with modified/built transmissions.
Brands: EFILive, PPEI$199.99 -
01-04 3″ GM Downpipe 409SS
Brands: Jamo Performance$115.50 -
04-10 3″ GM Downpipe 409SS
Brands: Jamo Performance$126.00 -
2001 – 2010 Duramax EFLive DSP5 Upgrade
Designed for current PPEI users who already have an AutoCal and Single Tune. A DSP5 switch must be used to allow switchable tuning.
Brands: EFILive, PPEI$149.99 -
2001-2005 4″ GM 409SS Cat-Back Exhaust No Muffler With Tip
Brands: Jamo Performance$411.12 -
2001-2005 4″ GM 409SS Cat-Back Exhaust With Muffler With Tip
Brands: Jamo Performance$447.50
Showing 1–9 of 55 results