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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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2376 Results

Manley Platinum Pistons -5.0cc Dish (SET): Fits Chrysler / Dodge / Ram (11-26)
Manley Platinum Pistons -5.0cc Dish (SET): Fits Chrysler / Dodge / Ram (11-26)
usa

Manley Platinum Pistons -5.0cc Dish (SET): Fits Chrysler / Dodge / Ram (11-26)

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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Manley Performance Chrysler 6.4L Hemi 4.100 Bore -20.5cc Dish Stroker Series Extreme Duty Piston Set
Manley Performance Chrysler 6.4L Hemi 4.100 Bore -20.5cc Dish Stroker Series Extreme Duty Piston Set
usa

Manley Performance Chrysler 6.4L Hemi 4.100 Bore -20.5cc Dish Stroker Series Extreme Duty Piston Set

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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Manley Platinum Extreme Duty Piston Set -11.5cc Dish 4.060 Bore (F&R): Fits Chrysler 6.1L HEMI 2005-2010
Manley Platinum Extreme Duty Piston Set -11.5cc Dish 4.060 Bore (F&R): Fits Chrysler 6.1L HEMI 2005-2010
usa

Manley Platinum Extreme Duty Piston Set -11.5cc Dish 4.060 Bore (F&R): Fits Chrysler 6.1L HEMI 2005-2010

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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Manley Performance Chrysler Hemi 6.1L 4.095 Inch Bore -12.5cc Dome Extreme Duty Piston Set: Multiple Chrysler Fitments
Manley Performance Chrysler Hemi 6.1L 4.095 Inch Bore -12.5cc Dome Extreme Duty Piston Set: Multiple Chrysler Fitments
usa

Manley Performance Chrysler Hemi 6.1L 4.095 Inch Bore -12.5cc Dome Extreme Duty Piston Set: Multiple Chrysler Fitments

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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Corsa Performance Sport Muffler Upgrade Kit: Dodge Ram 2500 (94-10) / Ram 3500 (94-07)
Corsa Performance Sport Muffler Upgrade Kit: Dodge Ram 2500 (94-10) / Ram 3500 (94-07)
usa

Corsa Performance Sport Muffler Upgrade Kit: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel/5.7L (94-21)

CORSA Performance

Regular price $621.99 $570.99 8% off

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HPS Silicone Air Intake Hose Kit: Dodge Ram 5.7L Hemi 2009 - 2012

HPS Silicone Air Intake Hose Kit: Dodge Ram 5.7L Hemi 2009 - 2012

HPS

Regular price from $191.00 Up to 13% off

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3 colors
  • Red
HPS Cold Air Intake: Chrysler 300, Dodge Challenger, Charger 5.7L Hemi 2011 - 2024

HPS Cold Air Intake: Chrysler 300, Dodge Challenger, Charger 5.7L Hemi 2011 - 2024

HPS

Regular price from $360.00 Up to 13% off

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4 colors
  • Red
HPS Silicone Air Intake Hose Kit: Dodge Ram 5.7L Hemi 2003 - 2008

HPS Silicone Air Intake Hose Kit: Dodge Ram 5.7L Hemi 2003 - 2008

HPS

Regular price from $113.00 Up to 13% off

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3 colors
  • Red
Kleinn RSJL2 Remote Start (F&R): Jeep Wrangler JL 2018-26 / Gladiator JT 2020-24 w/ Keyless Entry
Kleinn RSJL2 Remote Start (F&R): Jeep Wrangler JL 2018-26 / Gladiator JT 2020-24 w/ Keyless Entry
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Kleinn RSJL2 Remote Start (F&R): Jeep Gladiator/Wrangler 18-26 3.6L/3.0L EcoDiesel w/ Keyless Entry

Kleinn Air Horns

Regular price $285.99 $249.99 13% off

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DV8 Offroad Spare Tire Delete Kit: Jeep Wrangler 2018-2021
DV8 Offroad Spare Tire Delete Kit: Jeep Wrangler 2018-2021

DV8 Offroad Spare Tire Delete Kit: Jeep Wrangler 18-26

DV8 Offroad

$99.99

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K&N NextGen Aluminum Cold Air Intake: Fits Most Dodge/Ram 5.7L Hemi (09-24)
K&N NextGen Aluminum Cold Air Intake: Ram 1500 19-24 5.7L Hemi

K&N NextGen Aluminum Cold Air Intake: Ram 1500 19-24 5.7L Hemi

K&N Engineering

$549.99

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Flowmaster FloxFX Exhaust System: Dodge Challenger 6.2L SRT Hellcat / 6.4L 392 2015 - 2023
Flowmaster FloxFX Exhaust System: Dodge Challenger 6.2L SRT Hellcat / 6.4L 392 2015 - 2023
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Flowmaster FloxFX Exhaust System: Dodge Challenger 6.2L SRT Hellcat / 6.4L 392 2015 - 2023

Flowmaster

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

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Flowmaster FloxFX Dual Mode Muffler w/ Active Exhaust Valve: Ram 5.7L Hemi 1500 2019 - 2024 (New Body)
Flowmaster FloxFX Dual Mode Muffler w/ Active Exhaust Valve: Ram 5.7L Hemi 1500 2019 - 2024 (New Body)
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Flowmaster FloxFX Exhaust System: Dodge Charger 6.2L SRT Hellcat / 6.4L 392 2015 - 2023

Flowmaster

Regular price $1,799.95 $1,072.95 40% off

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Corsa 2011-2024 Single Universal 2.5in Inlet / 4.5in Outlet Black PVD Pro-Series Tip Kit
Corsa 2011-2024 Single Universal 2.5in Inlet / 4.5in Outlet Black PVD Pro-Series Tip Kit
usa

Corsa 2011-2024 Single Universal 2.5in Inlet / 4.5in Outlet Black PVD Pro-Series Tip Kit

CORSA Performance

Regular price $240.99 $220.99 8% off

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Holley EFI Gen III HEMI V8 Injector Harness: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10)

Holley EFI Gen III HEMI V8 Injector Harness: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10)

Holley EFI

Regular price $215.95 $199.95 7% off

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Flowmaster FloxFX Dual Mode Muffler w/ Active Exhaust Valve: Dodge Ram 5.7L Hemi 1500 2009 - 2010 / Ram 5.7L Hemi 1500 2011 - 2018
Flowmaster FloxFX Dual Mode Muffler w/ Active Exhaust Valve: Dodge Ram 5.7L Hemi 1500 2009 - 2010 / Ram 5.7L Hemi 1500 2011 - 2018
usa

Flowmaster FloxFX Dual Mode Muffler w/ Active Exhaust Valve: Dodge Ram 5.7L Hemi 1500 2009 - 2018

Flowmaster

Regular price $1,267.95 $1,171.95 8% off

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Holley EFI Gen III HEMI Coil Harness: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10)

Holley EFI Gen III HEMI Coil Harness: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10)

Holley EFI

Regular price $224.95 $207.95 8% off

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DiabloSport 9050 - Trinity T2 MX Vehicle Monitor
DiabloSport 9050 - Trinity T2 MX Vehicle Monitor

DiabloSport 9050 - Trinity T2 MX Vehicle Monitor

Diablo Sport

Regular price $771.95 $726.95 6% off

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Diablo Sport Pulsar Trinity MX Module Kit: Ram 2500 / 3500 15-18

Diablo Sport Pulsar Trinity MX Module Kit: Ram 2500 / 3500 15-18

Diablo Sport

Regular price $1,743.95 $1,649.95 5% off

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Diablo Sport Pulsar Trinity MX Module Kit: Ram 1500 2019-2022
Diablo Sport Pulsar Trinity MX Module Kit: Ram 1500 2019-2022

Diablo Sport Pulsar Trinity MX Module Kit: Ram 1500 2019-2022

Diablo Sport

Regular price $1,743.95 $1,649.95 5% off

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Diablo Sport Pulsar Trinity MX Module Kit: Ram 1500 (15-18)
Diablo Sport Pulsar Trinity MX Module Kit: Ram 1500 (15-18)

Diablo Sport Pulsar Trinity MX Module Kit: Ram 1500 (15-18)

Diablo Sport

Regular price $1,743.95 $1,649.95 5% off

Unit price
per 

Diablo Sport Pulsar Trinity MX Module Kit: Ram 2500 / 3500 2019-2024

Diablo Sport Pulsar Trinity MX Module Kit: Ram 2500 / 3500 2019-2024

Diablo Sport

Regular price $1,743.95 $1,649.95 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