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Jeep Grand Cherokee Engine Performance Parts

Built for your Jeep Grand Cherokee, this collection offers a wide range of engine performance parts designed to enhance power, throttle response, and overall reliability. Whether you’re looking to improve airflow with intakes and headers or optimize fuel delivery and tuning, these parts are engineered to fit your model precisely.

Explore components like high-flow exhaust systems, throttle bodies, programmers, and fuel system upgrades that work together to unlock your Jeep’s full potential. Each product is selected to improve engine efficiency, sound, and driving experience without compromising durability.

Shop engine performance upgrades for your Jeep Grand Cherokee at FastHemis.

SELECT YOUR VEHICLE

1358 Results

Flowmaster Force II Cat-Back Exhaust (REAR): Jeep Grand Cherokee (11-22) w/ Hardware
Flowmaster Force II Cat-Back Exhaust (REAR): Jeep Grand Cherokee (11-22) w/ Hardware
usa

Flowmaster Force II Cat-Back Exhaust (REAR): Jeep Grand Cherokee (11-22) w/ Hardware

Flowmaster

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

Unit price
per 

Manley Performance 1.625" Triple Groove Race Master Exhaust Valve Set (F&R): Fits 6.1L HEMI 2005-2010
Manley Performance 1.625" Triple Groove Race Master Exhaust Valve Set (F&R): Fits 6.1L HEMI 2005-2010
usa
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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per 

Ripp 180 Degree Thermostat: Fits Most Chrysler / Dodge / Jeep / Ram V8 HEMI Models (2002-2026)
Ripp 180 Degree Thermostat: Fits Most Chrysler / Dodge / Jeep / Ram V8 HEMI Models (2002-2026)
DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
5.0 (2)

Regular price $535.95 $499.95 7% off

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per 

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
4.8 (8)

Regular price $535.95 $499.95 7% off

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per 

DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge  / Ram 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge  / Ram 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge 2005 - 2014

Diablo Sport

Regular price $818.95 $770.95 6% off

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per 

DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge 2005 - 2014

Diablo Sport
5.0 (3)

Regular price $818.95 $770.95 6% off

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per 

Kooks Headers 3" SS Catted Mid Pipes (F&R): Jeep Grand Cherokee SRT 6.4L / Durango SRT 6.4L w/ Longtubes
Kooks Headers 3" SS Catted Mid Pipes (F&R): Jeep Grand Cherokee SRT 6.4L / Durango SRT 6.4L w/ Longtubes
usa

Kooks Headers 3" SS Catted Mid Pipes: Dodge Durango 18-22 6.4L 392, Jeep Grand Cherokee 12-21 6.4L w/ Longtubes

Kooks Headers

Regular price $1,819.51 $1,637.56 10% off

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Kooks 02 Sensor Extensions: RAM 1500 HEMI 2009 - 2015
Kooks 02 Sensor Extensions: RAM 1500 HEMI 2009 - 2015
usa

Kooks 02 Sensor Extensions: Fits Most Dodge/Jeep 6.4L/5.7L (11-18)

Kooks Headers

Regular price $39.61 $35.65 10% off

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Kooks 1.875" Longtube Headers & OEM Catted Mid Pipes (F&R): 11-21 Jeep Grand Cherokee / 11-24 Durango 5.7L VVT HEMI
Kooks 1.875" Longtube Headers & OEM Catted Mid Pipes (F&R): 11-21 Jeep Grand Cherokee / 11-24 Durango 5.7L VVT HEMI
usa

Kooks 1.875" Longtube Headers & OEM Catted Mid Pipes: Dodge Durango / Jeep Grand Cherokee 11-26 5.7L Hemi

Kooks Headers

Regular price $3,550.47 $3,195.42 10% off

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per 

Kooks Headers 3" SS Catted Mid Pipes (F&R): Jeep Grand Cherokee / Durango 2011-24 5.7L w/ Longtubes
Kooks Headers 3" SS Catted Mid Pipes (F&R): Jeep Grand Cherokee / Durango 2011-24 5.7L w/ Longtubes
usa

Kooks Headers 3" SS Catted Mid Pipes: Dodge Durango / Jeep Grand Cherokee 11-26 5.7L Hemi w/ Longtubes

Kooks Headers

Regular price $1,766.43 $1,589.79 10% off

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Kooks Cometic MLS (Multi-Layer Stainless Steel) Exhaust Gaskets: Chrysler 6.1L & 6.4L Hemi
Kooks Cometic MLS (Multi-Layer Stainless Steel) Exhaust Gaskets: Chrysler 6.1L & 6.4L Hemi
usa
Kooks Long Tube Headers & Mid Pipes: Jeep Grand Cherokee SRT & Trackhawk 2012 - 2021
Kooks Long Tube Headers & Mid Pipes: Jeep Grand Cherokee SRT & Trackhawk 2012 - 2021
usa

Kooks 1-7/8" x 3" Longtube Headers & OEM Catted Mid Pipes: Fits Most Dodge/Jeep 6.4L/6.2L (12-23)

Kooks Headers

Regular price from $3,164.68 Up to 10% off

Unit price
per 

MSD Blaster HVC Ignition Coils (6-Pack): Chrysler / Dodge / Ram / Jeep 3.6L V6 2011 - 2024
MSD Blaster HVC Ignition Coils (6-Pack): Chrysler / Dodge / Ram / Jeep 3.6L V6 2011 - 2024

MSD Blaster HVC Ignition Coils (6-Pack): Chrysler / Dodge 3.6L V6 2011 - 2024

MSD Ignition

from $299.95

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per 

2 colors
Kooks Oxygen Sensor Harness Extension Kit (FRONT/REAR): 15-23 Challenger / Charger SRT Hellcat / 18-21 Trackhawk 6.2L HEMI
Kooks Oxygen Sensor Harness Extension Kit (FRONT/REAR): 15-23 Challenger / Charger SRT Hellcat / 18-21 Trackhawk 6.2L HEMI
usa

Kooks Oxygen Sensor Harness Extension Kit: Fits Most Dodge/Jeep 6.2L (15-25)

Kooks Headers

Regular price $121.87 $109.68 10% off

Unit price
per 

Kooks Long Tube Headers & Mid Pipes: Jeep Grand Cherokee SRT & Trackhawk 2012 - 2021
Kooks Long Tube Headers & Mid Pipes: Jeep Grand Cherokee SRT & Trackhawk 2012 - 2021
usa

Kooks Long Tube Headers & Mid Pipes: Fits Most Dodge/Jeep 6.4L/6.2L (12-23)

Kooks Headers

Regular price from $3,164.68 Up to 10% off

Unit price
per 

Kooks Headers 3" SS Green Catted Mid Pipes (F&R): Jeep Grand Cherokee SRT / Durango SRT 6.2L-6.4L w/ Longtubes
Kooks Headers 3" SS Green Catted Mid Pipes (F&R): Jeep Grand Cherokee SRT / Durango SRT 6.2L-6.4L w/ Longtubes
usa

Kooks Headers 3" SS Green Catted Mid Pipes: Fits Most Dodge/Jeep 6.4L/6.2L (12-23) w/ Longtubes

Kooks Headers

Regular price $2,419.51 $2,177.56 10% off

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per 

Enhance Your Jeep Grand Cherokee with Engine Performance Parts

Unlock the full potential of your Jeep Grand Cherokee with engine performance parts designed to improve power, throttle response, and reliability. This collection features precision-fit components that optimize airflow, fuel delivery, and tuning for a more efficient and responsive engine.

What are the benefits of upgrading engine performance parts on a Jeep Grand Cherokee?

Upgrading your Jeep Grand Cherokee’s engine components can significantly enhance driving dynamics by improving horsepower, torque, and throttle response. Performance parts like high-flow intakes and headers increase airflow, while fuel system upgrades ensure consistent delivery for better combustion efficiency. These improvements not only boost power but also refine engine sound and overall reliability.

  • Improved engine breathing for increased power output
  • Enhanced throttle response for quicker acceleration
  • Optimized fuel delivery for smoother performance
  • Durable components built to withstand daily driving and off-road conditions

How do I choose the right engine performance parts for my Jeep Grand Cherokee?

Selecting the right parts depends on your Jeep’s engine platform and your performance goals. Consider upgrades like cold air intakes and throttle bodies for better airflow, or programmers and tuners to optimize engine management. Always verify fitment for your specific model year and engine size to ensure seamless installation and maximum benefit.

What supporting modifications should I consider with engine upgrades?

To get the most from your engine performance parts, supporting modifications can help maintain balance and reliability. Upgrading your exhaust system complements intake and header improvements by reducing backpressure. Fuel system enhancements and custom tuning ensure your engine runs efficiently with the new parts installed. Explore our full range of Jeep Grand Cherokee engine upgrades at FastHemis to build a cohesive performance setup.

SELECT YOUR VEHICLE