Very much. Not only does it look killer, it made a noticable seat-of-the pants difference in acceleration. I have been playing with my intake and filter system for a while. First I installed the famous K&N and removed my silencer. Much better. Then after a while I decided to run an open element under the hood. It looked awsome but performance suffered due to the hot air entering the engine. Then I installed the MAC CAI and noticed a pretty substantial gain. Of course if I had not already hurt my performance by running an open element the gain would probably have been less noticable. Overall I am happy with it and find the claim of an 8-12 HP gain pretty reasonable. I have pics of the three stages I mentioned and plan on posting them soon.
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'97 Cobra, MAC Cold Air Kit, 3.73s, Rio Red
[This message has been edited by King Snake (edited 12-04-2000).]