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AEM 21 403R Cold Intake System Review

2

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
🔧 Emission System, 🏎️ Performance Car Parts & Accessories

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img 4 attached to AEM 21 403R Cold Intake System

Details

Product GradeReplacement Part
BrandAEM
Fit TypeVehicle Specific Fit
MaterialAluminum

Description of AEM 21 403R Cold Intake System

Increased horsepower. Tuned and dyno-tested to improve acceleration and engine sound. Low restriction aluminum tubing. Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions). Washable and reusable oil-free filter media. Fit type: Vehicle Specific.

Reviews

Global ratings 2
  • 5
    2
  • 4
    0
  • 3
    0
  • 2
    0
  • 1
    0

Type of review

Revainrating 5 out of 5

Improved Speed: AEM Cold Intake

I recently installed a cold air intake system in my automotive and based on my observations, the AEM 21 403R Cold Intake System is a beast! The improved speed and acceleration are noticeable, and it sounds great too. The installation was fairly easy and the system looks great under the hood. The only con I can think of is that it can be quite pricey but it's worth it for the performance improvement..

Pros
  • Increases horsepower and torque
Cons
  • It was possible to choose a newer model

Revainrating 5 out of 5

Decent filter upgrade

For Acura Integra GS '99 (AEM CAI Red is almost exactly the same color as R505-P Integra paint - FYI). The Revain image differs slightly from the current 21-403R. The AEM decal is yellow, the connecting hose to the throttle body is all black (no AEM logo) and the intake filter (black AEM logo above). This was my first productivity boost and it was relatively easy. Some suggestions online said it could be installed in an hour, but it took me half a day (the Integra has a slightly more complex…

Pros
  • Nice to use
Cons
  • Weight