Roush 421642 Cold Intake Focus Review

As AN automotive enthusiast, i decided to upgrade my cars air intake system by purchasing this cold air intake.As a result of using this product, I found that my engine was breathing better, resulting in improved horsepower and torque. The installation process was straightforward, and the filter is washable and reusable saving me money in the long run. The only con I can think of is that the increased airflow creates a slight increase in engine noise, but that's a small price to pay for the…

My analysis of this car filter showed that it does not enhance the performance or fuel efficiency of my car. It was difficult to install and made a loud noise..

Was skeptical about performance improvements, especially with such a small motor, but it actually works. Don't expect it to bang your head back in the seat, but there is a very noticeable improvement in the car's traction at higher rpm (HP), especially when trying to accelerate on the freeway. The downside is the sound. It's quite loud (especially when you hit the volume pedal), which was great at first, but daily driving just needs our style. Car, and not paying attention out loud, would say…