Evolution Motorsports high-flow intake installation

[Wingnut2u]

IMO the EVO intake is not worth the cost, effort or performance gains/loss

There are other modifications or upgrades that you can do where your money is better spent

[Boxtaboy]

Thanks for that assesment. Pretty much expected that there was no appreciable power increase but I have always read that there was a huge difference in sound from stock. Surprised that you said there was no big difference. Did you have you car desnorked prior perhaps, and that's why not much difference in sound?

[jmatta]

I installed the Evo years ago and notice a discernible difference in sound from stock; the sound is just plain louder and howling at full throttle. I've driven numerous other stock intake Boxsters and the intake sound isn't even close to the sound my car makes. Whether there is a gain in HP, it would be negligible; but the sound is tremendous.

Don't understand why you have a different experience, as I can't imagine the displacement difference would account for the distinct sound.