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Final update: Just did a track day and noticed no change in temps. Granted it was never above 67F at Laguna.

To sum it all up:
- Opens up engine bay a little bit. I like the look.
- Engine noise increased. I like the added sound when laying into the throttle. I am not a fan of the added valvetrain noise you hear when just cruising around town a low speeds, but it is minimal.
- I do not notice added wind noise
- Saves a few pounds up front. I'd say at least 5 lbs, but that's more than nothing.
- Increase of dust getting into engine bay is very minimal over stock cowl cover (since this mod removes the seal).
- Does not seem to affect airflow/cooling of engine bay. During a track day in mild weather I did not observe abnormal temps.
- Rain and car washes do not seem to be an issue with exposed filter. Although it doesn't hurt to be careful when you are washing.


Overall I am happy with it.

If your stock cowl cover and filter housings have no issues, I wouldn't bother unless you're trying to shave every pound possible. If you want your engine bay as quiet as possible, I would not recommend.