Chrysler 300 Engine Performance
Built for your Chrysler 300, this Engine Performance collection offers a range of parts designed to enhance power, throttle response, and overall drivability. Whether you’re looking to improve airflow, fuel delivery, or engine management, our selection covers headers, intakes, exhaust components, tuners, and more. Each product is chosen to match your vehicle’s platform for reliable, performance-focused upgrades.
Optimize your Chrysler 300’s engine with components that improve sound, efficiency, and power delivery. From cold air intakes to high-flow exhaust headers and advanced programmers, these parts help you unlock your engine’s true potential while maintaining daily drivability.
- High-quality intakes and throttle bodies
- Performance headers and exhaust systems
- Fuel system upgrades and tuners
- Engine management and programmers
Shop engine performance upgrades for your Chrysler 300 at FastHemis.
Holley EFI Coolant Temperature Sensor: Chrysler 300 (2005-2015) / Dodge Ram 1500 (2003-2010)
Holley EFI
Regular price
$13.08
$12.10
7% off
- Unit price
- /per
Holley EFI Gen III Hemi VVT & SRV Plug and Play Harness: Chrysler 300 / Dodge Ram (05-15 / 03-10)
Holley EFI
Regular price
$188.95
$173.95
8% off
- Unit price
- /per
Holley EFI Gen III Hemi VVT Harness: Fits Most Chrysler / Dodge Models (2003-2015)
Holley EFI
Regular price
$145.95
$133.95
8% off
- Unit price
- /per
Holley EFI Terminator X Max Gen III HEMI EFI Controller: Chrysler / Dodge Ram GEN III HEMI (03-13+)
Holley EFI
Regular price
$2,587.95
$2,399.95
7% off
- Unit price
- /per
Holley EFI Terminator X Max Gen III HEMI EFI Controller: Chrysler GEN III HEMI (06-12)
Holley EFI
Regular price
$2,587.95
$2,399.95
7% off
- Unit price
- /per
Holley EFI Terminator X Gen III HEMI EFI Kit: Chrysler 300 / Dodge Ram 1500 (03-15)
Holley EFI
Regular price
$2,193.95
$2,049.95
7% off
- Unit price
- /per
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
- Unit price
- /per
Holley EFI Gen III HEMI Early Coil Harness: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10)
Holley EFI
Regular price
$215.95
$199.95
7% off
- Unit price
- /per
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
- Unit price
- /per
Holley EFI Gen III HEMI Main Harness w/ TPS & IAC: Chrysler 300 / Dodge Ram 1500 (03-15 / 03-10)
Holley EFI
Regular price
$922.95
$849.95
8% off
- Unit price
- /per
Holley EFI Gen III HEMI Main Harness w/ TPS & IAC: Chrysler 300 / Dodge Ram 1500 (03-15 / 03-10)
Holley EFI
Regular price
$979.95
$899.95
8% off
- Unit price
- /per
Holley EFI Drive-By-Wire Dual Throttle Body Harness: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10)
Holley EFI
Regular price
$425.95
$399.95
6% off
- Unit price
- /per
Holley EFI Gen III HEMI Drive-By-Wire Harness: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10)
Holley EFI
Regular price
$287.95
$265.95
8% off
- Unit price
- /per
Holley EFI Gen III HEMI Drive-By-Wire Harness: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10) - Black
Holley EFI
Regular price
$309.95
$157.95
49% off
- Unit price
- /per
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
$1,049.95
7% off
- Unit price
- /per
Holley EFI Gen III Hemi Hi-Ram EFI Manifold: 5.7L (2009+) / 6.1L (05-10) / 6.4L (2011+) - Black
Holley EFI
Regular price
$1,743.95
$1,299.95
25% off
- Unit price
- /per
Holley EFI Gen III Hemi Hi-Ram EFI Manifold Base: Fits Chrysler / Dodge / Jeep / Ram (05-20)
Holley EFI
Regular price
$1,094.95
$999.95
9% off
- Unit price
- /per
Holley EFI Gen III Hemi Hi-Ram EFI Manifold: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10)
Holley EFI
Regular price
$1,518.95
$1,349.95
11% off
- Unit price
- /per
Holley EFI Billet Aluminum Intake Manifold Adapter Plates: Fits most Hemi Models
Holley EFI
Regular price
$461.95
$425.95
8% off
- Unit price
- /per
Holley EFI Gen III Hemi Hi-Ram EFI Manifold (Black): Fits Chrysler / Dodge / Jeep / Ram (05-26)
Holley EFI
Regular price
$1,743.95
$1,299.95
25% off
- Unit price
- /per
Holley EFI Gen III Hemi Hi-Ram EFI Manifold: Fits Chrysler / Dodge / Jeep / Ram (05-26)
Holley EFI
Regular price
$1,518.95
$1,349.95
11% off
- Unit price
- /per
Holley Drive by Wire Late Accelerator Pedal: Fits Chrysler / Dodge (07-24)
Holley
Regular price
$124.95
$114.95
8% off
- Unit price
- /per
Holley Cast Aluminum Mid-Sump Gen III Hemi Swap Oil Pan: Dodge Charger (66-74) / Challenger (70-74)
Holley
Regular price
$534.95
$499.95
7% off
- Unit price
- /per
Holley Gen III Hemi Carbon Black Ceramic Oil Pan Kit: Fits Most Dodge Truck Models (1972-2004)
Holley
Regular price
$547.95
$499.95
9% off
- Unit price
- /per
Holley Cast Aluminum Mid-Sump VVT Gen III Hemi Swap Oil Pan: Fits most Hemi Models
Holley
Regular price
$562.95
$519.95
8% off
- Unit price
- /per
Holley Cast Aluminum Mid-Sump Gen III Hemi Swap Oil Pan (Black): Dodge Challenger / Charger (66-74)
Holley
Regular price
$562.95
$519.95
8% off
- Unit price
- /per
Holley Cast Aluminum Mid-Sump Gen III Hemi Swap Oil Pan Kit: Dodge Challenger / Charger (66-74)
Holley
Regular price
$618.95
$571.95
8% off
- Unit price
- /per
Holley Single Plane EFI Intake Manifold: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10)
Holley
Regular price
$731.95
$675.95
8% off
- Unit price
- /per
Holley Replacement Hardware Kit: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10)
Holley
Regular price
$75.95
$69.75
8% off
- Unit price
- /per
Holley Gen III Hemi Rear-Sump Oil Pan Pickup Tube Replacement: Chrysler 300 / Dodge Ram 1500 (03-15)
Holley
Regular price
$61.95
$57.05
8% off
- Unit price
- /per
Holley Braided Steel Dipstick & Powder Coated Tube Kit: Chrysler 300 / Dodge Ram 1500 (03-15)
Holley
Regular price
$57.95
$53.25
8% off
- Unit price
- /per
Holley Replacement Hardware Kit: Fits Dodge / Chrysler (02-14) Gen III Hemi Mid-Sump Oil Pans
Holley
Regular price
$9.64
$5.95
38% off
- Unit price
- /per
Holley Gen III Hemi Single Plane Intake PCV Cover: Chrysler 300 / Dodge Ram 1500 (03-15) - Black
Holley
Regular price
$16.66
$8.95
46% off
- Unit price
- /per
Holley Replacement Hardware Kit: Gen III Hemi Hi-Ram Manifolds Fits Chrysler / Dodge (03-15)
Holley
Regular price
$59.95
$54.79
9% off
- Unit price
- /per
Holley Single Plane EFI Intake Manifold: 5.7L (2009+) / 6.1L (05-10) / 6.4L (2011+) - Black
Holley
Regular price
$731.95
$675.95
8% off
- Unit price
- /per
Holley Billet Aluminum Mounting Plate for Power Steering Pump: Fits Mopar Gen III Hemi (14+) - Black
Holley
Regular price
$89.95
$83.15
8% off
- Unit price
- /per
Holley Low Pressure Power Steering Pump w/ Reservoir: Fits Dodge Ram / Chrysler 300 (02-14)
Holley
Regular price
$506.95
$467.95
8% off
- Unit price
- /per
Holley Low Pressure Power Steering Kit: Fits Mopar Gen III Hemi (03-13) w/ Bracket & Pulley
Holley
Regular price
$618.95
$599.95
3% off
- Unit price
- /per
Holley Billet Aluminum Power Steering Pump Mounting Plate: Dodge Ram / Chrysler 300 Gen III Hemi
Holley
Regular price
$76.95
$70.99
8% off
- Unit price
- /per
Holley Replacement Timing Cover: Fits Dodge / Chrysler 5.7L & 6.4L HEMI (09-Pres)
Holley
Regular price
$661.95
$610.95
8% off
- Unit price
- /per
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Enhance Your Chrysler 300 with Premium Engine Performance Parts
Unlock your Chrysler 300’s full potential with targeted engine performance upgrades designed to improve power, throttle response, and drivability. This collection features carefully selected components that optimize airflow, fuel delivery, and engine management for a seamless balance of performance and daily usability.
What are the benefits of upgrading engine performance parts on a Chrysler 300?
Upgrading key engine components can significantly enhance your Chrysler 300’s responsiveness and efficiency. Improved intakes and throttle bodies increase airflow, while performance headers and exhaust systems reduce backpressure, resulting in better power delivery and a more aggressive sound. Additionally, tuners and programmers allow you to fine-tune engine parameters for optimized performance.
- Enhanced throttle response and acceleration
- Improved engine sound and exhaust tone
- Better fuel efficiency through optimized airflow
- Customizable engine management for specific driving needs
How do I choose the right engine performance parts for my Chrysler 300?
Selecting the right parts starts with knowing your engine platform—whether it’s the 5.7L Hemi, 3.6L Pentastar V6, or another variant. Consider your performance goals, such as daily driving improvements or more aggressive power gains. High-quality cold air intakes and throttle bodies are great starting points, while headers and exhaust upgrades should be matched to your engine size and emission requirements. Tuners and programmers must be compatible with your vehicle’s ECU for proper calibration.
What to expect after installing Chrysler 300 engine performance upgrades
After installation, you’ll notice a more responsive throttle and a deeper, more refined exhaust note. Fuel system upgrades and tuners can unlock additional power by optimizing air-fuel ratios and ignition timing. These improvements contribute to a more engaging driving experience without sacrificing daily drivability. Explore our Chrysler 300 engine performance collection at FastHemis to find parts tailored to your specific model and upgrade goals.