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5.7L / 6.1L / 6.4L Hemi Engine Upgrades

Upgrade Your 5.7L, 6.1L, and 6.4L Hemi Engines The 5.7L, 6.1L SRT8, and 6.4L 392 Hemi engines represent some of the most versatile and powerful V8 platforms in the Mopar lineup. Known for their forged internals, strong factory performance, and boost-ready design, these engines respond exceptionally well to a wide range of upgrades. Whether you’re enhancing a daily driver or building a track-ready muscle car, these Hemis deliver impressive power and reliability. This collection features performance parts tailored for each engine size, including supercharger kits, intake and exhaust upgrades, tuners, and supporting mods. From bolt-on improvements for the 5.7L to high-performance components for the 6.1L SRT8 and 6.4L 392, you’ll find everything needed to unlock your engine’s full potential. Key upgrade options include: - Supercharger and forced induction kits - Cold air intakes and throttle body upgrades - Long tube headers and cat-back exhausts - Engine management and tuning solutions - Supporting hardware for durability and power Shop 5.7L, 6.1L, and 6.4L Hemi engine upgrades at FastHemis.
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2383 Results

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2022 (5.7L Hemi & 6.4L 392)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2022 (5.7L Hemi & 6.4L 392)

Diablo Sport

Regular price $1,743.95 $1,599.95 8% off

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Jeep Grand Cherokee 2017 (5.7L Hemi & 6.4L SRT)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Jeep Grand Cherokee 2017 (5.7L Hemi & 6.4L SRT)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Jeep Grand Cherokee 2017 (5.7L Hemi & 6.4L SRT)

Diablo Sport

Regular price $2,306.95 $2,149.95 7% off

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AirAid Throttle Body Spacer: Dodge Ram 4.7L 2002 - 2007
AirAid Throttle Body Spacer: Dodge Ram 4.7L 2002 - 2007
K&N 57 Series Cold Air Intake: Dodge Durango 4.7L V8 2004-2009
K&N 57 Series Cold Air Intake: Dodge Durango 4.7L V8 2004-2009

K&N 57 Series Cold Air Intake: Dodge Durango 04-09 5.7L Hemi

K&N Engineering

$317.99

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MBRP Cat-Back 3" Single Side Exhaust System: Dodge Dakota 2005 - 2007 (3.7L / 4.7L)
MBRP Cat-Back 3" Single Side Exhaust System: Dodge Dakota 2005 - 2007 (3.7L / 4.7L)

MBRP Cat-Back 3" Single Side Exhaust System: Dodge Dakota 05-07

MBRP

Regular price $568.22 $459.99 19% off

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Charger 2017 (5.7L Hemi & 6.4L SRT / Scat Pack)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Charger 2017 (5.7L Hemi & 6.4L SRT / Scat Pack)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Charger 2017 (5.7L Hemi & 6.4L SRT / Scat Pack)

Diablo Sport

Regular price $2,249.95 $2,099.95 7% off

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Ram 2017 (5.7L Hemi 1500 8-Speed)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Ram 2017 (5.7L Hemi 1500 8-Speed)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Ram 2017 (5.7L Hemi 1500 8-Speed)

Diablo Sport
5.0 (1)

Regular price $1,856.95 $1,749.95 6% off

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Charger 2015 (5.7L Hemi & 6.4L SRT & Scat Pack)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Charger 2015 (5.7L Hemi & 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Charger 2015 (5.7L Hemi & 6.4L SRT & Scat Pack)

Diablo Sport

Regular price $2,249.95 $2,099.95 7% off

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DiabloSport Pulsar Computer Programmer: Ram 6.4L 392 2015 - 2018 (2500 / 3500 Models)
DiabloSport Pulsar Computer Programmer: Ram 6.4L 392 2015 - 2018 (2500 / 3500 Models)

DiabloSport Pulsar Computer Programmer: Dodge Ram 6.4L 392 2015 - 2018 (2500 / 3500 Models)

Diablo Sport

Regular price $843.95 $799.95 5% off

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AWE 0FG Cat-Back Exhaust (Dual Rear Bumper Exit, Black Tips): Ram 5.7L Hemi 1500 2019 - 2024
AWE 0FG Cat-Back Exhaust (Dual Rear Bumper Exit, Black Tips): Ram 5.7L Hemi 1500 2019 - 2024
usa

AWE 0FG Cat-Back Exhaust (Dual Rear Bumper Exit, Black Tips): Ram 1500 19-24 5.7L Hemi

AWE Tuning

Regular price $1,626.32 $1,545.00 5% off

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Manley Performance Race Flo Intake Valves (Set of 8): Fits most Hemi 6.1L
Manley Performance Race Flo Intake Valves (Set of 8): Fits most Hemi 6.1L
usa

Manley Performance Race Flo Intake Valves (Set of 8): Fits Most Chrysler/Dodge/Jeep 6.1L SRT8 (05-08)

Manley Performance

Regular price $264.61 $198.46 25% off

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DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

Regular price $1,968.95 $1,799.95 9% off

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DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Challenger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)

Diablo Sport

Regular price $1,968.95 $1,799.95 9% off

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per 

DiabloSport Modified PCM + i3 Programmer Combo: Ram 2015 (5.7L Hemi 1500 6-Speed)
DiabloSport Modified PCM + i3 Programmer Combo: Ram 2015 (5.7L Hemi 1500 6-Speed)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Ram 2015 (5.7L Hemi 1500 6-Speed)

Diablo Sport

Regular price $1,856.95 $1,699.95 8% off

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per 

DiabloSport Modified PCM + i3 Programmer Combo: Ram 2017 (5.7L Hemi 1500 8-Speed)
DiabloSport Modified PCM + i3 Programmer Combo: Ram 2017 (5.7L Hemi 1500 8-Speed)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Ram 2017 (5.7L Hemi 1500 8-Speed)

Diablo Sport

Regular price $1,856.95 $1,699.95 8% off

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per 

DiabloSport Modified PCM + i3 Programmer Combo: Ram 2016 (5.7L Hemi 1500 8-Speed)
DiabloSport Modified PCM + i3 Programmer Combo: Ram 2016 (5.7L Hemi 1500 8-Speed)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Ram 2016 (5.7L Hemi 1500 8-Speed)

Diablo Sport

Regular price $1,856.95 $1,699.95 8% off

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per 

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Durango 2017 (5.7L Hemi)
DiabloSport Modified PCM + i3 Programmer Combo: Dodge Durango 2017 (5.7L Hemi)

DiabloSport Modified PCM + i3 Programmer Combo: Dodge Durango 2017 (5.7L Hemi)

Diablo Sport

Regular price $1,968.95 $1,799.95 9% off

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per 

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Ram 2020 (5.7L Hemi 1500 8-Speed, NON eTorque)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Ram 2020 (5.7L Hemi 1500 8-Speed, NON eTorque)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Ram 2020 (5.7L Hemi 1500 8-Speed, NON eTorque)

Diablo Sport

Regular price $1,968.95 $1,849.95 6% off

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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Durango 2019 (5.7L Hemi & 6.4L SRT)
DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Durango 2019 (5.7L Hemi & 6.4L SRT)

DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Durango 2019 (5.7L Hemi & 6.4L SRT)

Diablo Sport

Regular price $2,362.95 $2,249.95 5% off

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AWE Switchpath Cat-Back Exhaust System: Jeep Wrangler Rubicon 6.4L 392 2021 - 2025
AWE Switchpath Cat-Back Exhaust System: Jeep Wrangler Rubicon 6.4L 392 2021 - 2025
usa

AWE Switchpath Cat-Back Exhaust System: Jeep Wrangler 21-26 6.4L 392

AWE Tuning
5.0 (1)

Regular price $3,152.63 $2,995.00 5% off

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AFE Momentum GT Cold Air Intake: Ram 5.7L Hemi 1500 2019 - 2024
AFE Momentum GT Cold Air Intake: Ram 5.7L Hemi 1500 2019 - 2024
usa

AFE Momentum GT Cold Air Intake: Ram 1500 19-26 5.7L Hemi

aFe

from $420.00

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2 filter types
  • Pro Dry-S Filter (DRY)
  • Pro 5R Filter (Oiled)
MBRP Cat-Back 3" Dual Split Rear Exhaust: Dodge Ram 5.7L Hemi 2009 - 2010 / Ram 5.7L Hemi 2011 - 2018
MBRP Cat-Back 3" Dual Split Rear Exhaust: Dodge Ram 5.7L Hemi 2009 - 2010 / Ram 5.7L Hemi 2011 - 2018
Cometic PRO1048T Top End Gasket Kit 4.15" Bore MLX: Fits 11-24 6.4L 392 HEMI
Cometic PRO1048T Top End Gasket Kit 4.15" Bore MLX: Fits 11-24 6.4L 392 HEMI
usa

Cometic PRO1048T Top End Gasket Kit 4.15" Bore MLX: Fits 11-24 6.4L 392 HEMI

Cometic Gasket

Regular price $351.50 $326.90 7% off

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MBRP Cat Back Exhaust System (Polished Tips, Aluminized): Jeep Grand Cherokee 6.4L SRT 2012 - 2021
MBRP Cat Back Exhaust System (Polished Tips, Aluminized): Jeep Grand Cherokee 6.4L SRT 2012 - 2021

MBRP Cat Back Exhaust System (Polished Tips, Aluminized): Jeep Grand Cherokee 12-21 6.4L

MBRP

Regular price $1,402.05 $1,134.99 19% off

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COMP Cams Non-MDS Lifter Kit: Dodge 03-24 5.7/6.1/6.2/6.4L HEMI
COMP Cams Non-MDS Lifter Kit: Dodge 03-24 5.7/6.1/6.2/6.4L HEMI
usa
DiabloSport Modified PCM (Unlocked): Ram 2021 (5.7L Hemi 1500 8-Speed, NON eTorque)
DiabloSport Modified PCM (Unlocked): Ram 2021 (5.7L Hemi 1500 8-Speed, NON eTorque)

DiabloSport Modified PCM (Unlocked): Dodge Ram 2021 (5.7L Hemi 1500 8-Speed, NON eTorque)

Diablo Sport

Regular price $1,210.95 $1,117.95 8% off

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DiabloSport Modified PCM (Unlocked): Dodge Durango 2018 (5.7L Hemi & 6.4L SRT)
DiabloSport Modified PCM (Unlocked): Dodge Durango 2018 (5.7L Hemi & 6.4L SRT)

DiabloSport Modified PCM (Unlocked): Dodge Durango 2018 (5.7L Hemi & 6.4L SRT)

Diablo Sport

Regular price $1,383.95 $1,299.95 6% off

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DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Jeep Vehicles 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Jeep Vehicles 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Jeep Vehicles 2005 - 2014

Diablo Sport

Regular price $806.95 $749.95 7% off

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Stainless Works Long Tube Headers & Mid Pipes: Jeep Grand Cherokee 6.1L SRT8 2006 - 2010
Stainless Works Long Tube Headers & Mid Pipes: Jeep Grand Cherokee 6.1L SRT8 2006 - 2010
usa

Stainless Works Long Tube Headers & Mid Pipes: Jeep Grand Cherokee 06-10 6.1L SRT8

Stainless Works

Regular price $2,375.00 $2,256.25 5% off

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Performance Upgrades for 5.7L, 6.1L SRT8, and 6.4L 392 Hemi Engines

The 5.7L, 6.1L SRT8, and 6.4L 392 Hemi engines are cornerstone V8 platforms in the Mopar lineup, each offering unique strengths for performance enthusiasts. Whether you’re enhancing a daily driver or building a track-ready machine, these engines respond well to a variety of bolt-on and forced induction upgrades that improve power, torque, and reliability.

Why upgrade your intake and exhaust on 5.7L, 6.1L, and 6.4L Hemis?

Improving airflow is one of the most effective ways to unlock additional power on these Hemi engines. Upgrading cold air intakes, throttle bodies, and exhaust components reduces restrictions, allowing the engine to breathe more efficiently. This results in better throttle response, increased horsepower, and a more aggressive exhaust note.

  • Cold air intakes optimize air density for improved combustion
  • Long tube headers and cat-back exhausts reduce backpressure
  • Throttle body upgrades enhance airflow at higher RPMs
  • Improved exhaust flow supports future forced induction additions

Building a reliable foundation for forced induction on 6.1L and 6.4L Hemis

Both the 6.1L SRT8 and 6.4L 392 Hemis feature forged internals and robust rotating assemblies that can handle moderate boost levels with proper supporting modifications. Before adding a supercharger or procharger, it’s important to upgrade fuel delivery, cooling systems, and engine management to maintain reliability and maximize power gains.

Choosing the right upgrades for your 5.7L, 6.1L, or 6.4L Hemi build

Each Hemi engine has its own strengths and upgrade paths. The 5.7L is ideal for bolt-on improvements and mild tuning, while the 6.1L and 6.4L are better suited for more aggressive builds including forced induction. At FastHemis, you’ll find a full range of parts tailored to your engine’s specific needs, from intake and exhaust upgrades to supercharger kits and tuning solutions.

SELECT YOUR VEHICLE