Review on AEM 21 425R Cold Intake System by Kevin Staver
Boosted Performance with Emission System Upgrade
Using this system, our team found that our performance car's emission system improved drastically. It was more responsive during acceleration and there was an increase in horsepower. The installation was easy, taking only a few HOURS. The downside is that it is a bit on the pricey side but it is definitely worth the investment for the improved performance. .
Pros
- Increases horsepower and torque
Cons
- Requires professional installation
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