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USD 499.99
Part #:

AEM 21-9021D Brute Force HD Intake

Vehicle Fitment:
2001-2004 GM 6.6L Duramax LB7 | See full application list below
Part #:
★★★★★ ★★★★★ 3 Reviews
FROM 499.99
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Description

Take your 2001-2004 GM 6.6L Duramax LB7 and upgrade its underwhelming factory intake system with the the AEM 21-9021D Brute Force HD Intake. The Brute Force Intake is easy to install and clean due to it's synthetic oil free filter media. In order to keep the air cool and increase horsepower, the air filter is housed in the original air box space and is surrounded by a heat shield. The intake tubing is designed with durable aluminum that is powder coated in a gunmetal gray finish for an awesome look. 

Features:
  • Increased Horsepower
  • Easy to Install Using Commonly Available Tools
  • Tuned and Dyno-Tested to Improve Acceleration and Engine Sound

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Vehicle Fitment

YEAR MAKE FOR ENGINE SERIES
2001 Chevy 6.6L LB7 Duramax
2002 Chevy 6.6L LB7 Duramax
2003 Chevy 6.6L LB7 Duramax
2004 Chevy 6.6L LB7 Duramax
2001 GMC 6.6L LB7 Duramax
2002 GMC 6.6L LB7 Duramax
2003 GMC 6.6L LB7 Duramax
2004 GMC 6.6L LB7 Duramax

Product Options

PART NUMBER SYSTEM FINISH
21-9021DP Polished Finish

Specifications

  • Manufacturer Name AEM
  • Shipping Weight 15.00 lb.
  • Shipping Length 15 in.
  • Shipping Width 22 in.
  • Shipping Height 15 in.
  • Fuel Type Diesel
  • E-Code 3
  • EO Number d-670-15
  • Warranty Info 1 Year Limited
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
  • Internal LR

Reviews

★★★★★ ★★★★★
4.7/5 Stars out of 3 Reviews
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AEM21-9021D Review
4
Great product, easy installation. Took me 30 mins. On my Chevy diesel i received about 20.2 miles per gallon on highway. On just the intake installed. I can also feel the more torque. it gets off the line quicker. better response time. For the city im sitting about 17.6 mpg but I've been a little heavy on the pedal.
AEM Brute Force HD... excellent
5
so far i've had this for 2 years now and no complaints. it's been all the way to oregon (coos bay) to glamis. so it's seen its fair share of sand/dust. it's installed on my dmax lb7 and i love how the turbo whistles compared to stock intake. haven't notice any increase/decrease in egt's as i got it installed w/ my guages.
Duramax Enthusiast
5
Great intake! Install was very simple. Dropped my engine temp and EGTS, Also Turbo whistle and spool up increased from stock air box. Recommend AEM to anyone.

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Questions and Answers

Does this product come with the mass air flow sensor inlet?
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