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Powerstroke
- 1996-2002 Powerstroke 7.3L
  
  1996-2002 Powerstroke 7.3L Exhaust
- 2003-2007 Powerstroke 6.0L
- 2007.5-2010 Powerstroke 6.4L
- 2011-2016 Powerstroke 6.7L
- 2017-2019 Powerstroke 6.7L
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Home
Powerstroke
- 1996-2002 Powerstroke 7.3L
  
  1996-2002 Powerstroke 7.3L Exhaust
- 2003-2007 Powerstroke 6.0L
- 2007.5-2010 Powerstroke 6.4L
- 2011-2016 Powerstroke 6.7L
- 2017-2019 Powerstroke 6.7L
- 2020-2022 Powerstroke 6.7L
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Cummins
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2005-2007 Cummins 5.9L

Collection: 2005-2007 Cummins 5.9L

5.9L Cummins — Tuning, Exhaust & Fuel

Calibrated tuning, exhaust, and fuel hardware for the 2005–2007 Ram 5.9L Cummins. The 5.9L is prized for simplicity and longevity; builds focus on fuel delivery (lift pump, injection pump, injectors), airflow, and transmission. Every part here is matched to your truck and ordered the way you'd build it.

5.9L Cummins — Tuning, Exhaust & Fuel

What you need to tune the 5.9L Cummins

A supported device (HP Tuners MPVI4, EFI Live, MM3) plus a Dieselr-calibrated tune file — GDP and Chaos Custom Tuning calibrations are also available.

Exhaust

Downpipe-back and turbo-back exhaust in aluminized and stainless. Larger-diameter exhaust lowers EGT and frees airflow as power climbs.

Fuel

FASS, S&S Diesel, Dynomite Diesel, and Dieselr fuel hardware support higher fueling as power climbs.

Compatibility

Organized by confirmed fitment for the 2005–2007 Ram 5.9L Cummins.

FAQ

What do I need to tune a 5.9L Cummins?
A supported device plus a Dieselr-calibrated tune file.

What fuel upgrade do I need?
Stock-to-mild builds run the factory system; higher power calls for added fuel supply and supporting hardware.

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123 products

MM3 Tune Files

Vendor:
DIESELR Tuning
DIESELR MM3 Tune Files

(2006-2007)

5.9L Dodge/Ram Cummins

Regular price $550.00 USD

Unit price per
MPVi4 Tune Files

Vendor:
Chaos Custom Tuning
Chaos Custom MPVi4 Tune Files

(2003-2007)

5.9L Dodge/Ram Cummins

Regular price $550.00 USD

Regular price ~~$0.00 USD~~ Sale price $550.00 USD
Unit price per
EFI Live Tune Files

Vendor:
Chaos Custom Tuning
Chaos Custom EFI Live Tune Files

(2006-2009)

6.7L Dodge/Ram Cummins

Regular price $300.00 USD

Regular price ~~$0.00 USD~~ Sale price $300.00 USD
Unit price per
MM3 Tune Files

Vendor:
Chaos Custom Tuning
Chaos Custom MM3 Tune Files

(2003-2007)

5.9L Dodge/Ram Cummins

Regular price $550.00 USD

Regular price ~~$0.00 USD~~ Sale price $550.00 USD
Unit price per
Aluminized Exhaust

Sale

Vendor:
Dieselr Parts
Dieselr Aluminized Turbo Back Exhaust Single

(2004.5-2007)

5.9L Dodge/Ram Cummins

Regular price From $550.00 USD

Regular price ~~$600.00 USD~~ Sale price From $550.00 USD
Unit price per

ALUMINIZED
Aluminized Exhaust

Sale

Vendor:
Dieselr Parts
Dieselr Aluminized Cat Back Exhaust Single

(2004.5-2007)

5.9L Dodge/Ram Cummins

Regular price From $499.99 USD

Regular price ~~$550.00 USD~~ Sale price From $499.99 USD
Unit price per

ALUMINIZED
GDP Licenses

Vendor:
GDP
EFI Live VIN License

Regular price $125.00 USD

Unit price per
GDP Licenses

Vendor:
GDP
EFI Live License FlashScan V2/V3

Regular price $125.00 USD

Unit price per
Switches

Vendor:
GDP
5 Position SOTF/DSP Switch (Universal)

Regular price $20.00 USD

Unit price per
Cables

Vendor:
GDP
OBD2 Splitter

Regular price $15.99 USD

Unit price per
Switches

Vendor:
GDP
SOTF Harness (Universal)

Regular price $15.00 USD

Unit price per
Switches

Vendor:
SoCal Diesel
OBDII CSP5 SOTF Switch

()

Fits:
2006-2022 6.7L Dodge/Ram Cummins

2017-2032 6.6L L5P GM Duramax

Regular price $90.00 USD

Regular price ~~$0.00 USD~~ Sale price $90.00 USD
Unit price per
Cables

Vendor:
Edge Products
Edge EAS Replacement EGT LEAD - 15 Inch

Regular price $47.85 USD

Regular price ~~$0.00 USD~~ Sale price $47.85 USD
Unit price per
Hardware

Vendor:
Polar Diesel
1/8th NPT Plug

Universal Fitment

Regular price $3.70 USD

Unit price per
Exhaust Manifold

Vendor:
Dieselr Parts
Exhaust Manifold

()

Fits:
1998.5-2024 5.9L Dodge/Ram Cummins

6.7L Dodge/Ram Cummins

Regular price $750.00 USD

Unit price per
Exhaust Manifold

Vendor:
Dieselr Parts
Exhaust Manifold

(2003-2007)

5.9L Dodge/Ram Cummins

Regular price $539.00 USD

Unit price per
Intake

Vendor:
GDP
Pre-Filter - For All GDP Intakes

Regular price $34.99 USD

Unit price per
Intake

Vendor:
GDP
Precision II: Cleaning & Oil Kit (All GDP Intakes)

Regular price $29.99 USD

Unit price per
Fuel Filter Delete

Vendor:
Dieselr Parts
Dieselr Fuel Filter Delete

(2003-2009)

5.9L Dodge/Ram Cummins

Regular price $49.99 USD

Unit price per
Muffler

Vendor:
Dieselr Parts
Universal Muffler

Universal Fitment

Regular price From $145.00 USD

Unit price per

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