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2005 Chevrolet 6.6L Duramax LLY
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Description

We get a lot of calls asking, "What do I need to do to my truck to attain a certain horsepower level?" If you've been wondering the same, below are various "recipes" of parts that are needed to reach certain power levels along with any companion parts that you'll need to ensure the overall drivability and integrity of your truck. For example, you could grab the highest setting on your programmer to make 400HP on a dyno run but for longevity sake, you will need and would be better off with a cold air intake, exhaust, upgraded HPOP, and a few other other things. Or we will recommend adding an intercooler once you've reached a power level where we have found it to be necessary. We are going to mention a lot of specific products, and these are products that we prefer through our experience. There are, of course, many other options available that can get the job done, as well.

Bear in mind that even though Ford says your truck is 210HP, they are quoting flywheel horsepower, not rear wheel horsepower. On a dyno, the actual rear wheel horsepower for these trucks is about 180HP. Please don't get sucked into the trap of adding all of the manufacturer stated horsepower gains for the individual products together to estimate your horsepower. This will only lead to disappointment! There is typically a substantial amount of overlap when combining products, but this is a necessary evil.

As always, feel free to give us a call and we would be happy to assist!

300 Horsepower

  • S&B Cold Air Intake

  • Diamond Eye 4" Exhaust System

  • DP-Tuner F5 Chip

  • Full Force Diesel Stage 1 Injector Set

Recommended Drivetrain Upgrades

  • Automatic: BD Torque Converter, BD Deep Sump Transmission Pan

  • Manual: Unnecessary

400 Horsepower

  • S&B Cold Air Intake

  • Diamond Eye 4" Exhaust System

  • DP-Tuner F5 Chip

  • Dynomite Diesel Stage 2 100HP Injector Set

  • DieselSite Adrenaline HPOP

  • Driven Diesel Complete Fuel System

  • Banks Intercooler Conversion

Recommended Drivetrain Upgrades

  • Automatic: ATS Stage 1 Transmission Package

  • Manual: South Bend Organic Feramic Clutch Kit

500 Horsepower

  • Diamond Eye 5" Exhaust System

  • DP-Tuner F6 Chip

  • Full Force Diesel 238/200 Injector Set

  • Irate Diesel T4 Turbo Basic Mount

  • DieselSite Adrenaline HPOP (High Pressure Oil Pump)

  • Driven Diesel Complete Fuel System

  • Banks Intercooler Conversion

  • Automatic: ATS Stage 3 Transmission Package

  • Manual: South Bend Street Dual Disc Clutch Kit

600 Horsepower

  • Diamond Eye 5" Exhaust System

  • DP-Tuner F6 Chip

  • Full Force Diesel 250/200 Injector Set

  • Irate Diesel T4 Turbo Basic Mount

  • DieselSite Adrenaline HPOP (High Pressure Oil Pump)

  • Driven Diesel Complete Fuel System

  • Banks Intercooler Conversion

Recommended Drivetrain Upgrades

  • Automatic: ATS Stage 5 Transmission Package

  • Manual: South Bend Street Dual Disc Clutch Kit