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ECM Modification
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Vendor: S&S Cycle
S&S Cycle 124in Delphi VFI ECM Kit
S&S Cycle Valve Spring .650in Chromoly Collar BottomRegular price $1,162.95 -
Vendor: HP Tuners
HPT GM E46 Non-Global B ECM Upgrade (*VIN & Original ECM Required*)
HPT GM E46 Non-Global B ECM Upgrade (*VIN & Original ECM Required*)Regular price $399.99 -
Vendor: HP Tuners
HPT L5P ECM Upgrade (*VIN & Original ECM Required*)
Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning with HP Tuners E41 ECM Upgrade service. Upgrade your original E41 ECM for tuning and diagnostics via this send-in, one-time service. Simply...Regular price $649.99 -
Vendor: HP Tuners
HPT Upgrade Kit
HPT E41 ECM Upgrade Kit(L5P)Regular price $349.99 -
Vendor: HP Tuners
HPT E93 L8T New ECM (*VIN Required*)
HP Tuners E93 ECM 20-23 GM 6.6LRegular price $699.99
