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Shop 6.7L Diesel

Upgrade Your 6.7L Cummins Diesel The 6.7L Cummins Diesel is a powerhouse inline-6 turbocharged engine built for heavy-duty performance in Ram 2500 and 3500 trucks. Known for its exceptional torque and towing capability, this engine demands parts that enhance reliability and maximize power potential under demanding conditions. At FastHemis, you’ll find a wide range of performance parts tailored specifically for the 6.7L Cummins. From advanced tuning solutions and high-flow intake systems to exhaust upgrades and turbocharger enhancements, each product is designed to improve fuel efficiency, boost response, and increase overall durability. Key upgrade options for your 6.7L Cummins Diesel include: - Performance tuners and programmers for optimized power - Intake and exhaust systems to improve airflow and reduce backpressure - Turbocharger upgrades and supporting hardware - Fuel system enhancements for better delivery and efficiency - Cooling components to maintain engine temps under load Shop 6.7L Cummins Diesel upgrades at FastHemis.
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2277 Results

APS Black Stainless Upper Billet Grille (Version 1): Ram 2500 & 3500 2013 - 2018
APS Black Stainless Upper Billet Grille (Version 1): Ram 2500 & 3500 2013 - 2018

APS Black Stainless Upper Billet Grille (Version 1): Ram 2500 & 3500 2013 - 2018

APS

Regular price $179.72 $143.78 20% off

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APS Black Stainless Upper Rivet Grille: Dodge	Ram 1500 2009 - 2012 (GR04LEH21H)
APS Black Stainless Upper Rivet Grille: Dodge	Ram 1500 2009 - 2012 (GR04LEH21H)

APS Black Stainless Upper Rivet Grille: Dodge Ram 1500 2009 - 2012 (GR04LEH21H)

APS

Regular price $282.49 $225.99 20% off

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APS Polished Stainless Upper Billet Grille (Version 3): Dodge Ram 2002 - 2005
APS Polished Stainless Upper Billet Grille (Version 3): Dodge Ram 2002 - 2005

APS Polished Stainless Upper Billet Grille (Version 3): Dodge Ram 2002 - 2005

APS

Regular price $135.00 $108.00 20% off

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APS Polished Stainless Lower Billet Grille: Dodge Ram 2002 - 2008
APS Polished Stainless Lower Billet Grille: Dodge Ram 2002 - 2008

APS Polished Stainless Lower Billet Grille: Dodge Ram 2002 - 2008

APS

Regular price $51.75 $41.40 20% off

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APS Polished Stainless Lower Billet Grille: Dodge Ram 1500 Sport & Express 2009 - 2012
APS Polished Stainless Lower Billet Grille: Dodge Ram 1500 Sport & Express 2009 - 2012

APS Polished Stainless Lower Billet Grille: Dodge Ram 1500 Sport & Express 2009 - 2012

APS

Regular price $66.38 $53.10 20% off

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APS Black Stainless Upper Billet Grille (Version 1): Dodge Ram 2006 - 2009
APS Black Stainless Upper Billet Grille (Version 1): Dodge Ram 2006 - 2009

APS Black Stainless Upper Billet Grille (Version 1): Dodge Ram 2006 - 2009

APS

Regular price $125.72 $100.58 20% off

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APS Black Stainless Billet Grilles (Upper & Lower): Dodge Ram 2002 - 2005
APS Black Stainless Billet Grilles (Upper & Lower): Dodge Ram 2002 - 2005

APS Black Stainless Billet Grilles (Upper & Lower): Dodge Ram 2002 - 2005

APS

Regular price $168.75 $135.00 20% off

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Holley EFI Gen III Hemi Hi-Ram EFI Manifold: Fits Most Hemi Models

Holley EFI Gen III Hemi Hi-Ram EFI Manifold: Fits Chrysler / Dodge / Jeep / Ram (05-26)

Holley EFI

Regular price $1,518.95 $1,213.95 20% off

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APS Stainless Upper Sheet Grille w/ LED's: Dodge Ram 2006 - 2008
APS Stainless Upper Sheet Grille w/ LED's: Dodge Ram 2006 - 2008

APS Stainless Upper Sheet Grille w/ LED's: Dodge Ram 2006 - 2008

APS

Regular price $410.96 $328.77 20% off

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Holley EFI Gen III Hemi Hi-Ram EFI Manifold: Fits Most Hemi Models

Holley EFI Gen III Hemi Hi-Ram EFI Manifold (Black): Fits Chrysler / Dodge / Jeep / Ram (05-26)

Holley EFI

Regular price $1,743.95 $1,393.95 20% off

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APS Polished Stainless Billet Grilles (Upper & Lower): Dodge Ram 2002 - 2005 (GR04HGI99S)
APS Polished Stainless Billet Grilles (Upper & Lower): Dodge Ram 2002 - 2005 (GR04HGI99S)

APS Polished Stainless Billet Grilles (Upper & Lower): Dodge Ram 2002 - 2005 (GR04HGI99S)

APS

Regular price $168.75 $135.00 20% off

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Holley EFI Billet Aluminum Intake Manifold Adapter Plates: Fits Most Hemi Models

Holley EFI Billet Aluminum Intake Manifold Adapter Plates: Fits most Hemi Models

Holley EFI

Regular price $461.95 $307.95 33% off

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Holley EFI Gen III Hemi Hi-Ram EFI Manifold Base: Fits Most Chrysler / Dodge / Jeep / Ram Models (2005-2020)

Holley EFI Gen III Hemi Hi-Ram EFI Manifold Base: Fits Chrysler / Dodge / Jeep / Ram (05-20)

Holley EFI

Regular price $1,094.95 $874.95 20% off

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Flowmaster Super 40 Series Chambered Muffler: Fits Dodge / Ram (92-05)
Flowmaster Super 40 Series Chambered Muffler: Fits Dodge / Ram (92-05)
usa

Flowmaster Super 40 Series Chambered Muffler: Fits Dodge / Ram (92-05)

Flowmaster

Regular price $168.95 $134.95 20% off

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Holley EFI Gen III Hemi Hi-Ram EFI Manifold Base: Fits Most Hemi Models

Holley EFI Gen III Hemi Hi-Ram EFI Manifold Base: Fits Dodge / Chrysler / Jeep / Ram (05-26) - Black

Holley EFI

Regular price $1,124.95 $898.95 20% off

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ProConnect Direct-Fit Coil-On-Plug Boots: Fits Chrysler / Dodge / Jeep / Ram (05-14)

ProConnect Direct-Fit Coil-On-Plug Boots: Fits Chrysler / Dodge / Jeep / Ram (05-14)

ProConnect

Regular price $79.95 $70.55 12% off

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Earl's Performance Aluminum Oil Filter Block-Off: Fits Most Chrysler / Dodge / Jeep / Ram Models (2008-2020) - Black Anodized

Earl's Perf Aluminum Oil Filter Block-Off: Fits Chrysler / Dodge / Jeep / Ram (08-20) - Black

Earl's Performance

Regular price $37.67 $33.48 11% off

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Earl's Performance Aluminum Black Anodized Oil Filter Block-Off: Fits Most Hemi Models

Earl's Perf Aluminum Black Anodized Oil Filter Block-Off: Fits most Gen III Hemi Models

Earl's Performance

Regular price $33.94 $16.60 51% off

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Earl's Performance Aluminum Oil Filter Relocation Kit: Fits Most Chrysler / Dodge / Jeep / Ram 2008-2020

Earl's Perf Aluminum Oil Filter Relocation Kit: Fits Chrysler / Dodge / Jeep / Ram (08-20)

Earl's Performance

Regular price $230.95 $204.95 11% off

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American Brother Designs Custom PCV Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
American Brother Designs Custom PCV Cover: Chrysler / Dodge / Jeep / Ram 6.4L 392 2011 - 2025
cbp
usa
Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Fits most Hemi Models
Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Fits most Hemi Models

Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Fits most Hemi Models

Pedal Commander

Regular price $289.99 $279.99 3% off

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American Brother Designs Custom Radiator Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
cbp
usa
Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Dodge / Chrysler / Jeep (02-10)
Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Dodge / Chrysler / Jeep (02-10)

Pedal Commander FN TUNED Throttle Response Controller w/ Anti-Theft: Dodge / Chrysler / Jeep (02-10)

Pedal Commander

Regular price $289.99 $279.99 3% off

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American Brother Designs Custom 392 Exterior Side Badge: Chrysler / Dodge / Jeep / Ram
American Brother Designs Custom 392 Exterior Side Badge: Chrysler / Dodge / Jeep / Ram
cbp
usa
American Brother Designs Jeep Dip Stick Handle Cover: Jeep Models 2007 - 2025
American Brother Designs Jeep Dip Stick Handle Cover: Jeep Models 2007 - 2025
usa

American Brother Designs Jeep Dip Stick Handle Cover: Jeep Models 2007 - 2025

American Brother Designs

Regular price $144.00 $94.00 35% off

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American Brother Designs Oil Fill Cap Cover: Jeep Models 2007 - 2025
American Brother Designs Oil Fill Cap Cover: Jeep Models 2007 - 2025
usa

American Brother Designs Oil Fill Cap Cover: Jeep Models 2007 - 2025

American Brother Designs

Regular price $119.00 $69.00 42% off

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Performance Upgrades for Your 6.7L Cummins Diesel

The 6.7L Cummins Diesel engine is renowned for its exceptional torque and durability, powering Ram 2500 and 3500 trucks through the toughest towing and hauling tasks. To maintain and enhance this legendary performance, selecting the right upgrades tailored specifically for the 6.7L platform is essential.

How intake and exhaust upgrades improve your 6.7L Cummins performance

Optimizing airflow is critical for the 6.7L Cummins to maximize turbo efficiency and power delivery. Upgrading to high-flow intake systems reduces restriction and allows cooler air into the engine, while performance exhaust components minimize backpressure and help the turbo spool faster. Together, these upgrades improve throttle response, fuel economy, and overall engine durability.

  • High-flow air filters and intake tubes for better airflow
  • Downpipes and exhaust systems designed to reduce backpressure
  • Durable materials to withstand diesel exhaust temperatures
  • Improved turbocharger response and efficiency

Choosing the right tuning and fuel system upgrades for your Cummins

Tuning solutions and fuel system enhancements are key to unlocking the full potential of your 6.7L Cummins Diesel. Programmers optimize engine parameters for power and efficiency, while upgraded injectors and fuel pumps ensure consistent delivery under high load. Proper calibration paired with fuel upgrades supports reliable power gains without sacrificing longevity.

Find the best 6.7L Cummins Diesel parts at FastHemis

Whether you’re aiming to improve towing capability, increase horsepower, or boost reliability, FastHemis offers a comprehensive selection of performance parts designed for the 6.7L Cummins Diesel. Explore our range of tuners, intake kits, exhaust components, and turbo upgrades to build a truck that meets your toughest demands.

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