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Browse the wide selection of products we have available for your 2004.5 – 2005 Duramax LLY.
Showing 1–9 of 55 results
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. Emissions Compliant tuning only.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.
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. Emissions Compliant tuning only. 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.
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.
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.
Designed for current PPEI users who already have an AutoCal and Single Tune. A DSP5 switch must be used to allow switchable tuning.
• Made with 16-gauge T-409 Stainless Steel. • Cat-back Single side exhaust kit. • Polished 304 Stainless Steel Tip Included. This cat-back system is constructed from 16-gauge mandrel bent 409 stainless steel tubing for maximum flow. All systems use OE style factory mounting locations providing hassle-free installation. Our keyhole slot design creates easy installation paired […]
• Made with 16-gauge T-409 Stainless Steel. • Cat-back Single side exhaust kit. • Polished 304 Stainless Steel Tip Included. This cat-back system is constructed from 16-gauge mandrel bent 409 stainless steel tubing for maximum flow. All systems use OE style factory mounting locations providing hassle-free installation. Our keyhole slot design creates easy installation paired […]
• Made with 16-gauge T-409 Stainless Steel. • Cat-back Single side exhaust kit. • Polished 304 Stainless Steel Tip Included. This cat-back system is constructed from 16-gauge mandrel bent 409 stainless steel tubing for maximum flow. All systems use OE style factory mounting locations providing hassle-free installation. Our keyhole slot design creates easy installation paired […]
Showing 1–9 of 55 results
