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Shop 6.4L Hemi

Unlock the full potential of your 6.4L Hemi, a naturally aspirated powerhouse known for its robust forged internals and strong factory performance. This 392 cubic inch V8 delivers impressive power and torque right out of the box, making it an ideal platform for enthusiasts looking to build reliable, high-performance Mopar machines. At FastHemis, you’ll find a wide range of parts tailored specifically for the 6.4L Hemi. Whether you’re aiming to boost power with supercharger kits, improve exhaust flow with long tube headers, or enhance throttle response with cold air intakes, our selection supports every stage of your build. These upgrades help maximize your engine’s capability while maintaining its legendary durability. Popular 6.4L Hemi upgrades include: - Supercharger and forced induction kits - High-flow exhaust systems and headers - Cold air intakes and throttle body upgrades - Tuners and performance calibration tools Shop 6.4L Hemi upgrades at FastHemis.
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6018 Results

Borla S-Type Cat-Back Exhaust System (Black Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021
Borla S-Type Cat-Back Exhaust System (Black Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021
usa

Borla S-Type Cat-Back Exhaust System (Black Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021

Borla

Regular price $2,497.99 $2,229.99 11% off

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per 

APR GTC-300 Carbon Fiber Adjustable Wing (67"): Dodge Challenger 2008 - 2023 (All Models)
APR GTC-300 Carbon Fiber Adjustable Wing (67"): Dodge Challenger 2008 - 2023 (All Models)

APR GTC-300 Carbon Fiber Adjustable Wing (67"): Dodge Challenger 2008 - 2023 (All Models)

APR

Regular price $2,129.00 $1,751.95 18% off

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MBRP Exhaust Tips (Polished): Dodge Charger (15-23) & Durango (18-25) 6.4L 392 & 6.2L Hellcat
MBRP Exhaust Tips (Polished): Dodge Charger (15-23) & Durango (18-25) 6.4L 392 & 6.2L Hellcat

MBRP Exhaust Tips (Polished): Dodge Charger (15-23) & Durango (18-25) 6.4L 392 & 6.2L Hellcat

MBRP

Regular price $308.81 $249.99 19% off

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per 

StoNSho Quick Release Front License Plate Bracket (FRONT): Fits Jeep Gladiator / Wrangler (18-26)
StoNSho Quick Release Front License Plate Bracket (FRONT): Fits Jeep Gladiator / Wrangler (18-26)
usa

StoNSho Quick Release Front License Plate Bracket (FRONT): Fits Jeep Gladiator / Wrangler (18-26)

StoNSho

Regular price $109.99 $97.99 11% off

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Sto N Sho Quick Release Front License Plate Bracket: Jeep Wagoneer (With Towing Package) 2022 - 2023
Sto N Sho Quick Release Front License Plate Bracket: Jeep Wagoneer (With Towing Package) 2022 - 2023
usa
Sto N Sho Quick Release Front License Plate Bracket: Jeep Wagoneer (Without Towing Package) 2022 - 2023
Sto N Sho Quick Release Front License Plate Bracket: Jeep Wagoneer (Without Towing Package) 2022 - 2023
usa
American Brother Designs Manual Shift Knob (Flat): Dodge Challenger 2015 - 2023
American Brother Designs Manual Shift Knob (Flat): Dodge Challenger 2015 - 2023
usa

American Brother Designs Manual Shift Knob (Flat): Dodge Challenger 2015 - 2023

American Brother Designs

Regular price $119.00 $107.00 10% off

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Whipple Supercharger Kit (Gen 6, 3.0L): Dodge Charger 6.4L 392 2015 - 2017
Whipple Supercharger Kit (Gen 6, 3.0L): Dodge Charger 6.4L 392 2015 - 2017
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Whipple Supercharger Kit: Dodge Challenger 6.4L 392 2015 - 2017 (SRT, Scat Pack & T/A)

Whipple Superchargers

from $10,439.99

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per 

American Brother Designs Trunk Shock Covers: Dodge Challenger 2008 - 2023
American Brother Designs Trunk Shock Covers: Dodge Challenger 2008 - 2023
usa

American Brother Designs Trunk Shock Covers: Dodge Challenger 2008 - 2023

American Brother Designs

Regular price $114.00 $90.00 21% off

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Amerihood TA Style Functional Ram Air Hood: Dodge Ram 2500 2019 - 2023
Amerihood TA Style Functional Ram Air Hood: Dodge Ram 2500 2019 - 2023

Amerihood TA Style Functional Ram Air Hood: Dodge Ram 2500 2019 - 2023

Amerihood

Regular price $900.00 $696.00 23% off

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Amerihood SRT Functional Ram Air Hood: Dodge Challenger 2008 - 2023
Amerihood SRT Functional Ram Air Hood: Dodge Challenger 2008 - 2023

Amerihood SRT Functional Ram Air Hood: Dodge Challenger 2008 - 2023

Amerihood

Regular price $500.00 $433.00 13% off

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American Brother Designs Manual Shift Knob: Dodge Challenger 2015 - 2023
American Brother Designs Manual Shift Knob: Dodge Challenger 2015 - 2023
usa

American Brother Designs Manual Shift Knob: Dodge Challenger 2015 - 2023

American Brother Designs

Regular price $119.00 $107.00 10% off

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American Brother Designs T/A Badge (2-Color): Dodge Challenger 2008 - 2023
American Brother Designs T/A Badge (2-Color): Dodge Challenger 2008 - 2023
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American Brother Designs T/A Badge (2-Color): Dodge Challenger 2008 - 2023

American Brother Designs

Regular price $85.99 $69.00 20% off

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Borla ATAK Exhaust System (w/ Valve Simulators): Dodge Charger 6.4L 392 2015 - 2023
Borla ATAK Exhaust System (w/ Valve Simulators): Dodge Charger 6.4L 392 2015 - 2023
usa

Borla ATAK Exhaust System (w/ Valve Simulators): Dodge Charger 6.4L 392 2015 - 2023

Borla

Regular price $2,069.99 $1,847.99 11% off

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per 

Anderson Composites Carbon Fiber Side Skirts (PAIR): Dodge Charger Widebody 2015 - 2023 (Hellcat & ScatPack Models)
Anderson Composites Carbon Fiber Side Skirts (PAIR): Dodge Charger Widebody 2015 - 2023 (Hellcat & ScatPack Models)

Anderson Composites Widebody Carbon Fiber Rocker Panel Splitters: 20-23 Charger

Anderson Composites

Regular price $1,319.00 $1,187.10 10% off

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ProCharger Supercharger Kit: Ram 6.4L Hemi 2019 - 2024 (2500 & 3500 ONLY)
ProCharger Supercharger Kit: Ram 6.4L Hemi 2019 - 2024 (2500 & 3500 ONLY)
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Procharger Supercharger Kit: Dodge Ram 6.4L Hemi 2019 - 2021 (2500/3500)

ProCharger

Regular price $11,508.34 $7,599.00 34% off

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Anderson Composites OEM Carbon Fiber Trunk: Dodge Charger 2015 - 2023
Anderson Composites OEM Carbon Fiber Trunk: Dodge Charger 2015 - 2023

Anderson Composites Type-OE Carbon Fiber Deck Lid (REAR): Dodge Charger 2015-2023

Anderson Composites

Regular price $1,599.00 $1,439.10 10% off

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MBRP Race Series Cat-Back 3" Dual Split Rear Exhaust: Dodge Challenger 6.4L 392 & 6.2L SRT Hellcat 2015 - 2023
MBRP Race Series Cat-Back 3" Dual Split Rear Exhaust: Dodge Challenger 6.4L 392 & 6.2L SRT Hellcat 2015 - 2023
American Brother Designs CHALLENGER Front Grille Badge: Dodge Challenger 2008 - 2023
American Brother Designs CHALLENGER Front Grille Badge: Dodge Challenger 2008 - 2023
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American Brother Designs CHALLENGER Front Grille Badge: Dodge Challenger 2008 - 2023

American Brother Designs

Regular price $84.99 $59.00 31% off

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per 

American Brother Designs 1320 Exterior Badge: Chrysler / Dodge / Jeep Vehicles
American Brother Designs 1320 Exterior Badge: Chrysler / Dodge / Jeep Vehicles
usa

American Brother Designs 1320 Exterior Badge: Chrysler / Dodge / Jeep Vehicles

American Brother Designs
5.0 (1)

Regular price $69.00 $49.00 29% off

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per 

American Brother Designs HELLCAT REDEYE Cutout Exterior Side Badge: Dodge Challenger / Charger 2015 - 2023
American Brother Designs HELLCAT REDEYE Cutout Exterior Side Badge: Dodge Challenger / Charger 2015 - 2023
usa

American Brother Designs HELLCAT REDEYE Cutout Exterior Side Badge: Dodge Challenger / Charger 2015 - 2023

American Brother Designs

Regular price $90.50 $57.50 36% off

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Flowmaster American Thunder Exhaust System: Dodge Challenger SRT8 2008 - 2014
Flowmaster American Thunder Exhaust System: Dodge Challenger SRT8 2008 - 2014
usa

Flowmaster American Thunder Exhaust System: Dodge Challenger SRT8 2008 - 2014

Flowmaster

Regular price $1,383.95 $1,105.95 20% off

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per 

APR Carbon Fiber Front Wind Splitter w/ Rods: Dodge Charger Scat Pack / Hellcat Widebody ONLY 2019 - 2023
APR Carbon Fiber Front Wind Splitter w/ Rods: Dodge Charger Scat Pack / Hellcat Widebody ONLY 2019 - 2023
Sto N Sho Quick Release Front License Plate Bracket: Dodge Charger Hellcat / ScatPack / Daytona WIDEBODY 2019 - 2023
usa
Stainless Works Long Tube Headers & Mid Pipes: 300 / Challenger / Charger / Magnum 6.1L SRT8 & 6.4L 392 2006 - 2023
Stainless Works Long Tube Headers & Mid Pipes: 300 / Challenger / Charger / Magnum 6.1L SRT8 & 6.4L 392 2006 - 2023
usa

Stainless Works Long Tube Headers & Mid Pipes: 300 / Challenger / Charger / Magnum 6.1L SRT8 & 6.4L 392 2006 - 2023

Stainless Works
4.0 (1)

Regular price $2,695.00 $2,560.25 5% off

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Stainless Works Stainless Steel Long Tube Headers and Mid Pipes: Chrysler 300 / Dodge Challenger / Charger / Magnum
usa

Stainless Works SS Long Tube Headers & Mid Pipes (F&R): Fits Dodge / Chrysler (05-25)

Stainless Works

Regular price $2,695.00 $2,560.25 5% off

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per 

Borla ATAK Cat-Back Exhaust System: Dodge Challenger 6.4L 392 2015 - 2023
Borla ATAK Cat-Back Exhaust System: Dodge Challenger 6.4L 392 2015 - 2023
usa

Borla ATAK Cat-Back Exhaust System: Dodge Challenger 6.4L 392 2015 - 2023

Borla

Regular price $2,127.99 $1,899.99 11% off

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per 

H&R 30mm Wheel Spacers: Chrysler 300 2005 - 2024 (All Models)
H&R 30mm Wheel Spacers: Dodge Magnum 2005 - 2008 (All Models)
H&R 30mm Wheel Spacers: Dodge Magnum 2005 - 2008 (All Models)
H&R 25mm Wheel Spacers: Dodge Charger 2011 - 2023 (All Models)
Fuel Injector Clinic 1440cc Fuel Injectors: Chrysler / Dodge / Ram / Jeep Hemi & SRT 2003 - 2025
usa

Fuel Injector Clinic 1440cc Fuel Injectors: Chrysler / Dodge / Jeep Hemi & SRT 2003 - 2023

Fuel Injector Clinic

Regular price $1,764.00 $1,470.00 17% off

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per 

Amerihood Hellcat Functional Ram Air Hood: Dodge Durango 2011 - 2025
Amerihood Hellcat Functional Ram Air Hood: Dodge Durango 2011 - 2025

Amerihood Hellcat Functional Ram Air Hood: Dodge Durango 2011 - 2023

Amerihood

Regular price $600.00 $534.00 11% off

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per 

Performance Upgrades for Your 6.4L 392 Hemi

The 6.4L 392 Hemi is a naturally aspirated powerhouse known for its strong forged internals and high-flow cylinder heads. Delivering robust power and torque from the factory, it provides an excellent platform for enthusiasts aiming to enhance performance while maintaining reliability. At FastHemis, you’ll find parts designed specifically to unlock the full potential of this Mopar favorite.

Why upgrade performance parts on your 6.4L Hemi?

Upgrading your 6.4L Hemi’s components can significantly improve power delivery, throttle response, and overall engine efficiency. Whether you want to increase airflow with cold air intakes or extract more power through long tube headers and exhaust systems, these bolt-on upgrades complement the engine’s strong factory foundation. Enhancements also help tailor your build to specific driving styles and performance goals.

  • Improved air and exhaust flow for better combustion
  • Enhanced throttle response and engine sound
  • Supports future forced induction or camshaft upgrades
  • Maintains the engine’s legendary durability and reliability

Popular upgrade paths for the 6.4L 392 Hemi

The 6.4L Hemi responds well to a variety of performance modifications that suit naturally aspirated and boosted builds alike. Common upgrades include supercharger and procharger kits for substantial power gains, long tube headers to reduce exhaust backpressure, and cold air intakes to increase airflow. Tuners and performance calibration tools are also essential to optimize these modifications and ensure smooth operation.

Choosing the right 6.4L Hemi parts at FastHemis

FastHemis offers a comprehensive selection of performance parts tailored to the 6.4L 392 Hemi. Whether you’re starting with bolt-ons or planning a full build, our inventory supports every stage of your project. Browse our collection to find supercharger kits, exhaust upgrades, intake systems, and tuning tools designed to maximize your engine’s capability while preserving its durability.

SELECT YOUR VEHICLE