AEM® 21-8316DS - Brute Force HD™ Diesel High-Density Polyethylene Black Cold Air Intake System with Red Filter

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AEM® - Brute Force HD™ Diesel Air Intake System
AEM® - Brute Force HD™ Diesel Air Intake SystemAEM® - Brute Force HD™ Diesel Air Intake SystemAEM® - Brute Force HD™ Diesel Air Intake SystemAEM® - Brute Force HD™ Diesel Air Intake SystemAEM® - Brute Force HD™ Diesel Air Intake System on CarAEM® - Brute Force HD™ Diesel Air Intake System on CarAEM® - Air Intake System Installation Video 602x420AEM® - Brute Force HD™ Diesel Air Intake System Installation InstructionMade In USAAEM Authorized DealerAEM Special Offers
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AEM Accessories

Brute Force HD™ Diesel High-Density Polyethylene Black Cold Air Intake System (21-8316DS) by AEM®. Includes: 3 Stainless Steel Regular Clamps. Engineered to be durable and deliver the maximum in airflow and filtration to heavy-duty diesel engines. Helps diesel engines burn fuel more efficiently and may help reduce exhaust gas temperature, exhaust smoke and oil contaminants caused by unburned fuel.

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Filter Shape: Round
Filter Color: Red
Filter Height: 7"
Tube Finish: Black
System Type: Cold Air Intakes
Material: High-Density Polyethylene
HP Gain: up to 14 hp
Air Filter Material: Non-woven Synthetic
Replacement Filter: 21-2147D-HK
RPM Gain: 5750
Includes: 3 Stainless Steel Regular Clamps


  • Engineered for maximum airflow, filtration and durability
  • The oil-free, high-flow Dryflow™ air filter has over twice the filtration area as the standard Brute Force air filter
  • The dyno-tuned air intake pipe is constructed of mandrel-bent 6063 aluminum for smooth airflow and includes high-strength mounting brackets for maximum durability
  • Most systems include a black powder coated steel heat shield
  • Available in your choice of Gunmetal Gray or Mirror-Polished finish
  • Comes complete with all necessary mounting hardware and comprehensive installation instructions
  • Backed by the AEM limited lifetime warranty
  • Proudly manufactured in the USA

Probably no engine is more sensitive to proper airflow and filtration than a diesel. Insufficient flow caused by restriction or a dirty filter can cause exhaust smoke and excessive emissions. Adding an AEM Brute Force HD Diesel Air Intake system to your diesel truck or SUV can ensure that you never encounter these problems. The system begins with an oil-free, high-flow Dryflow air filter that is engineered to dramatically out-flow the engine’s requirements and deliver excellent dust holding capacity. Compared to the standard nine-inch Brute Force Dryflow filter, the HD Diesel filter features over twice the filter media surface area and utilizes deep pleats to improve dust holding capacity and increase cleaning intervals. The filter is connected to a mandrel-bent, lightweight high-flow intake tube that delivers the intake air to the engine. The intake tube features high-strength dogbone brackets and dual rubber soft mounts, to ensure that the system lasts under heavy-duty operating conditions. AEM’s quality-first manufacturing processes enable it to offer the Brute Force HD Diesel Air Intake system with a lifetime warranty, and like all AEM air intake systems, it’s made in the USA.

All AEM Brute Force air intake systems come with the innovative, oil-free, high-flow AEM Dryflow Brute Force air filter. The Dryflow Brute Force air filter is engineered to exceed the normal flow capacities of large displacement engines, while providing outstanding filtration and dust holding capacity. And the flow requirements are exceeded by a wide margin, which allows you plenty of leeway for engine breathing modifications, without needing to worry about having enough intake airflow. The AEM Dryflow Brute Force filter is constructed of a unique non-woven polyester-based filter media supported by a lightweight mineral-reinforced plastic cage. This filter media doesn’t require oil to filter and trap dirt and contaminants, and actually sheds dirt under engine vibration, unlike cotton-gauze, which holds onto contaminants until you clean the filter. The plastic cage helps the filter retain its shape, eliminating the chance of the filter collapsing from flow demands. The Brute Force filter is a favorite of racing teams competing in rough, dusty conditions. Cleaning is easy; simply tap the filter a few times to remove most of the dirt from the filter pleats, then spray the filter with AEM’s environmentally friendly, mild, all-purpose cleaner. Rinse the filter with clean water and allow to dry, or blow dry with compressed air. Best of all, the Dryflow Brute Force filter requires no oiling, so there’s never a chance of over-oiling. The Dryflow Brute Force filter is extremely durable and will withstand almost unlimited cleanings.

John Concialdi and Bob Sullivan co founded AEM® in 1987 as a tuning performance shop in Compton California. Both men had extensive technical backgrounds in engines and engine airflow, and in a short time AEM became the go-to company for performance modifications. By 1993, when the company relocated to Gardena California, it had become commonplace to see cars wearing the bright yellow AEM logo winning races. AEM tirelessly dyno tested and worked closely with racers and auto manufacturers in an effort to understand intake energy dynamics. This resulted in the sale of their first air intake kit in 1994. AEM can boast a number of firsts and unique products: They’re the first manufacturer to make an intake system with specific tube lengths and diameters to take advantage of pressure waves in the inlet tract; they developed the first dual chamber intake kit; they designed an air bypass valve to prevent hydro-lock should the air filter ingest water; and they created one of the first hybrid intake systems for modified cars. AEM continues to create innovative products to help you get more power from your car.

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Warranty Information

AEM warrants that its air intake systems and Dryflow™ air filters will last for the life of your vehicle. AEM will not honor this warranty due to mechanical damage (i.e. improper installation or fitment), damage from misuse, accidents or flying debris. On air intakes AEM will not warrant its powder coating if the finish has been cleaned with a hydrocarbon-based solvent. The powder coating should only be cleaned with a mild soap and water solution. Proof of purchase of both the vehicle and AEM part is required for redemption of a warranty claim. This warranty is limited to the repair or replacement of the AEM part. In no event shall this warranty exceed the original purchase price of the AEM part nor shall AEM be responsible for special, incidental or consequential damages or cost incurred due to the failure of this product. Warranty claims to AEM must be transportation prepaid and accompanied with dated proof of purchase. This warranty applies only to the original purchaser of product and is non-transferable. Improper use or installation, use for racing, accident, abuse, unauthorized repairs or alterations voids this warranty. AEM disclaims any liability for consequential damages due to breach of any written or implied warranty on all products manufactured by AEM. Warranty returns will only be accepted by AEM when accompanied by a valid Return Merchandise Authorization (RMA) number. Credit for defective products will be issued pending inspection. Product must be received by AEM within 30 days of the date RMA is issued. If you have a warranty issue, please contact AEM and thier customer service department will assist you. A proof of purchase is required for all AEM warranty claims.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

2017 Jeep Wrangler
  • This part is Federal (EPA) compliant.
2016 Jeep Wrangler
  • 3.6L
  • This part is Federal (EPA) compliant.
2015 Jeep Wrangler
  • 3.6L
  • This part is Federal (EPA) compliant.
2014 Jeep Wrangler
  • 3.6L
  • This part is CARB compliant (CARB EO: D-670-21).
2013 Jeep Wrangler
  • 3.6L
  • This part is CARB compliant (CARB EO: D-670-21).
2012 Jeep Wrangler
  • 3.6L
  • This part is CARB compliant (CARB EO: D-670-21).

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