Review on AEM 21 488B Blue Intake System by Kevin Brianne
Replacement parts worth every penny
Installed on my Mazda 3s 04 it completely changed my attitude towards the car. It doesn't produce a harsher sound, it's a bit guttural but only after you hit 3500+ rpm. I noticed a little more gas mileage, but it made up for it by cruising at higher rpm to hear that faint roar. Installation was easy, but removing the stock airbox was a pain. It took about 60-90 minutes to remove the stock airbox and resonator and then about 10-15 minutes to install them.
- Excellent overall performance
- Flaws
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