B.F.S. CAD/CHEVY/GMC; V8 4.8/5.3/6.0L F/I; 1999-2007
The AEM 21-681C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Audi A4 models. Air enters the system through an oversized 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 gunmetal gray powder coated finish. This air intake system was developed to accommodate the engine's factory emissions control devices including the mass air flow sensor. The 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 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 21-681C vehicle applications to determine the legal status for each vehicle.
  • Increased Horsepower
  • Tuned And DynoTested To Improve Acceleration And Engine Sound
  • Low Restriction Aluminum Tubing
  • Easy To Install Using Commonly Available Tools
  • Air Filter Lasts Up To 100 000 Miles BF Cleaning Is Required
  • Washable And Reusable Oil Free Filter Media
  • AEM Lifetime Limited Warranty

Application Summary:

Year Make/Model
2002-2006 Cadillac Escalade
2003-2006 Cadillac Escalade ESV
2002-2006 Cadillac Escalade EXT
2002-2006 Chevrolet Avalanche 1500
1999-2006 Chevrolet Silverado 1500
2007 Chevrolet Silverado 1500 Classic
2001-2003 Chevrolet Silverado 1500 HD
2005-2006 Chevrolet Silverado 1500 HD
2007 Chevrolet Silverado 1500 HD Classic
1999-2004 Chevrolet Silverado 2500
2001-2006 Chevrolet Silverado 2500 HD
2007 Chevrolet Silverado 2500 HD Classic
2001-2006 Chevrolet Silverado 3500
2000-2006 Chevrolet Suburban 1500
2000-2006 Chevrolet Suburban 2500
2000-2006 Chevrolet Tahoe
1999-2006 GMC Sierra 1500
2007 GMC Sierra 1500 Classic
2001-2003 GMC Sierra 1500 HD
2005-2006 GMC Sierra 1500 HD
2007 GMC Sierra 1500 HD Classic
1999-2004 GMC Sierra 2500
2001-2006 GMC Sierra 2500 HD
2007 GMC Sierra 2500 HD Classic
2001-2006 GMC Sierra 3500
2007 GMC Sierra 3500 Classic
2000-2006 GMC Yukon
2001-2006 GMC Yukon XL 1500
2000-2005 GMC Yukon XL 2500
Attributes
ASIN B000N21KOK
Air Box Included No
Air Filter Color Red
Air Filter Element Washable Yes
Air Filter Height 8.125 in. (206mm)
Air Filter Large End Diameter 7.500 in. (191mm)
Air Filter Material Non-woven Synthetic
Air Filter Oulet Length 6.000 in. (152mm)
Air Filter Oulet Width 6.000 in. (152mm)
Air Filter Outlet Length 6.000 in. (152mm)
Air Filter Outlet Shape Round
Air Filter Outlet Width 6.000 in. (152mm)
Air Filter Washable Yes
CARB EO Number D-670-15
California Proposition 65 Yes
Clamp Color Natural
Clamp Color/Finish Natural
Clamp Material Steel
Clamp Quantity 5
Clamp Style Regular
Clamps Included 5
Country of Origin (Primary) US
Coupler Color Not Applicable
Coupler Color/Finish Not Applicable
Couplers Included No
Emission Code Legal US
Estimated Horse Power Gain 12.25 HP @ 4796 RPM
Estimated Horsepower Gain 12.25 HP @ 4796 RPM
Filter Color Red
Filter Material Non-woven Synthetic
GTIN 00840879013684
Harmonized Tariff Code (Schedule B) 8421310000
Hazardous Material Code N
Horse Power Increase 12 HP
Intake Pipe Color Gunmetal Gray
Intake Pipe Color / Finish Gunmetal Gray, Gunmetal Gray, Polished
Intake Pipe Inlet Length 28.000 in. (711mm)
Intake Pipe Inlet Shape Round
Intake Pipe Inlet Width 4.000 in. (102mm)
Intake Pipe Material Aluminum
Intake Pipe Outlet Length 28.000 in. (711mm)
Intake Pipe Outlet Shape Round
Intake Pipe Outlet Width 4.000 in. (102mm)
Item Weight 11.000 lbs. (5 kg)
Life Cycle Status Code Available to Order
Mass Air Flow Sensor Adapter Included Mass Air Flow Sensor Adapter Included When Required
Mass Air Flow Sensor Included Mass Air Flow Sensor Adapter Included When Required
Mounting Hardware Included Yes
NAFTA Preference Criterion Code B
Oil Included No Filter Oil Required
Package Material Paperboard
Package Type Box
Power Spacer included No
Product Box Height 14.940 in. (379mm)
Product Box Length 22.200 in. (564mm)
Product Box Width 14.500 in. (368mm)
Product Style AEM Brute Force Intake System
Prop 65 (C, R or CR) CR
Prop 65 - Short Label WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Prop 65 Warning WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Prop 65 Warning Label https://www.knfilters.com/images/l/prop65.jpg
Prop 65 Yes/No Yes
RPM 4796
Replacement Filter 21-2100DK
SDR Required Flag N
Spacer Included No
Standard Pack 1
Street Legal Yes
Street Legal In All US States Yes
System Type Cold Air Induction
TUV Approved (Europe) No
WARNING CA Proposition 65 Yes
WARNING CA Proposition 65 Message WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Warranty Limited Lifetime
Weight 11.0000 lbs.

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AEM Induction Systems 21-8000DC AEM Brute Force Intake System

Vehicle Fitment

Fitment: Year Required

Product Information

  • $307.99


The AAM Group™ Proposition 65
Proposition 65 warning graphic (For California Residents)
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov