2005 JEEP GRAND CHEROKEE WJ  - AIRAID SynthaMax Cool Air Dam Air Intake System - 311-178 - 311-178 | 4WD.com
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2005 JEEP GRAND CHEROKEE WJ  - AIRAID SynthaMax Cool Air Dam Air Intake System - 311-178 - 311-178

AIRAID SynthaMax Cool Air Dam Air Intake System - 311-178

AIRAID | Part Number: EVE311-178


  • Inlet Tube: Included
  • Fitment: Direct Fit
  • Filter Type: Dry
  • Filter Housing Type: Partial Enclosure
  • Intake Type: Stock Upgrade


  • 05-12 Grand Cherokee
  • 5.7L Hemi engine
  • SynthaMax filter - uses no oil
  • Cool air dam type
  • Includes intake tube
  • Installs in 30 minutes


Unleash more of the engines hidden horsepower with Airaid performance intake systems. Airaids unique inlet track and filter combination is substantially less restrictive than the OE configuration.


Question & Answers

1 Answered question

What kind of HP increase can I expect from this conversion? I have a 2008 WK Limited with 5.7L HEMI.

Asked by REM from Mobile, AL on

Hey Rem, the AIRAID SynthaMax Cool Air Dam Intake System will give you 5 to 10 HP increases. Thanks for your question.

Answered by Devin B. ext 4835 from Mobile, AL on


Since 1997, AIRAID has manufactured high quality air intake systems that are the result of thorough research and development and advanced engineering. Their goal is to produce innovative, easily installed kits that radically increase airflow, torque and horsepower as they up overall engine performance. Jeep owners appreciate AIRAID air intake systems appearance, functionality and how easy they are to install. Extend the life of your Jeep whether it's a Wrangler, Cherokee or Comanche. When you want to feel your engine breathing easier and releasing loads more horsepower, choose AIRAID components for your performance upgrade or replacement. Shop AIRAID Now