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GTIN SKU: 21-8017D Categories: , Tag:

AEM 21-8017DC Brute Force Intake System | 04.5-05 6.6L Duramax


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The AEM 21-8017DP Brute Force Air Intake System produces horsepower and torque gains by replacing the vehicle’s restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific GMA Sierra 2500 HD/3500 and Chevrolet 2500 HD/3500 models. Air enters the system through an extra-large AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air box space and is protected by a heat shield which is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from mandrel-bent aluminum featuring a durable chrome-like finish. This air intake system was developed to accommodate the engine’s factory emissions control devices including the mass air flow sensor and air filter restriction gauge. The tapered cylinder shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). The air intake system is easy to install with commonly available tools and it is backed by AEM’s Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. View the 21-8017DP vehicle applications to determine the legal status of each vehicle. Features: Increased horsepowerTuned and dyno-tested to improve acceleration and engine sound low restriction aluminum tubingEasy to install using commonly available toolsAir filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)Washable and reusable oil-free filter media AEM Lifetime Limited Warranty



  • Increased Flow
  • Increased Performance
  • Mandrel-Bent Aluminum Intake Tube
  • AEM Lifetime Warranty




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