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Part #: AEM21-9211D

AEM Brute Force HD Diesel Intake 21-9211D

2003-2006 Dodge 5.9L Cummins
Part #: AEM21-9211D
  9 Reviews
FROM 388.99
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  9 Reviews


AEM (Advanced Engine Management) is proud to release its Brute Force HD intakes for diesel applications with a massive DRYFLOW filter element! AEM Brute Force HD intakes are available for popular late model Cummins, Duramax and PowerStroke Diesel engines. We engineer our Brute Force HD intakes to deliver maximum flow, filtration and durability for heavy duty applications and they even outperform the company's BRUTE FORCE intakes for these vehicles in both dust holding capacity and filter flow.

AEM's reusable DRYFLOW air filter for its Diesel applications is engineered to allow for longer service life and higher efficiency for maximum performance in between servicing (more DRYFLOW key features are below). Compared to the standard 9" Brute Force Dryflow Filter, the Brute Force HD Dryflow filter features over twice the surface area of filter media and utilizes deep, bull-nosed pleats to improve dust holding capacity and increase intervals between cleanings. The DRYFLOW does not use oil to trap dirt, which eliminates any chance of overoiling the filter element, takes the guesswork out of servicing your filter and dramatically reduces filter cleaning time.

AEM manufactures its intakes from mandrel-bent, lightweight aircraft aluminum with high-strength dogbone brackets and dual rubber soft mounts for maximum durability, and includes a "bullet-proof" heat shield with a powdercoated black finish, a complete hardware kit and comprehensive photo installation instructions. Brute Force HD intakes are available with a silver powdercoat or mirror-polished finish.


AEMs lifetime DRYFLOW Synthetic air filter is 99.4% efficient in FINE DUST testing, filters dirt as small as one micron, and never needs filter oil!


AEM's unique non-woven synthetic filter media never needs oil! This means less down time between cleanings and no more chance of over-oiling. It takes the guesswork out of servicing your air filter


An injection molded ABS plastic filter lid and base provide increased structural rigidity - it's virtually impossible to collapse!


No mesh screen means no more filter damage from shipping, bumps during installation or cleaning


Element is cleanable and is Guaranteed for Life!


Will not void your vehicle warranty!


  • MFG. Number21-9211D
  • Manufacturer NameAEM
  • Shipping Weight15.00 lb.
  • Shipping Length14 in.
  • Shipping Width24 in.
  • Shipping Height14 in.


High temps
Location: Texas
The only reason people keep rating this product so high is because they say they can hear the turbo. Since this is reality, how loud a turbo is doesn't equal power. Since installation I've had to deal with restricted flow and high inlet temps compared to stock. My flow meter is nearly always in the red, I have higher EGT's, and higher rpm's feel flat in power delivery. I'm ripping this system out, throwing it away, and getting the Banks. You can't go wrong with an intake developed by engineers.
Location: Poy Sippi Wi
I have a 2005 dodge 2500. This intake was really easy to install and looks fantastic. turbo sounds incredible at lower RPM's hard to tell at high RPM's my exhaust is to loud lol. as long as your taking the intake system off I would take the silencing ring out of the turbo, if you havent already. really a great buy!
Location: MA
I installed the intake on my 06 dodge with a 5 in mbrp straight pipe and quadzilla adrenaline. The intake works very well, better throttle response and louder turbo whistle. Installation was a different story... this was one of the worst things i have ever had to put on a vehicle. Almost none of the bolts lined up properly and i couldnt use one of the bolts that holds the intake to the truck because it was so far from where it needed to be. We were very close to throwing it against a wall. It was also covered in small dents when i got it.
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What the difference between the AEM21-8211D & the AEM21-9211D
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The AEM 21-8211D is considered the "AEM Brute Force" and the AEM 21-9211D is considered the "AEM Brute Force HD". AEM has engineered their Brute Force HD intakes to deliver maximum flow, filtration and durability for heavy duty applications and they even outperform the "AEM Brute Force" intakes in both dust holding capacity and filter flow.