About a month ago I got a little adventurous and decided to look into an intake for my car. I had researched CAI's but working a $7.25 an hour job they didn't seem too practical. So I opted for a spectre intake kit from autozone for about fifty bucks instead. Well a little after I installed it I noticed a small amount of knocking but since I was out with my girl I figured it could wait until I got home. Well on the way to her house I noticed the knocking getting gradually worse and around 1/4 mile from her house it turns to machine gun hammering type knocking and my engine makes a very high pitched squeal and dies. I eventually got it to start only once again after about thirty minutes and a million tries to be met with a very high pitched squealing and grinding noise and shut it right back down. I had a buddy from my fire department tow it back to my house. Now there it sits. I believe the damage in due to detonation from my air intake leaning out my A/F ratio. When I go to start the car the engine struggles and throws a very loud fit. What kind of damage am I looking at and would an engine rebuild kit be able to get my engine running again? I'm not interested in swaps or what I should have or could have done, just a simple and cheap (as possible) way to get my engine running again. Thanks.