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Hello all. I have a 02 4dr auto, and I want to get one of the products listed below. These are in my budget for now. I want to know if anyone knows which one will make the biggest impact on my car. I'm not racing or anything it's just my daily driver. Please leave out all the sell the car, it's not worth it info. I like working on my car even if it's not ever going to be the fastest thing on the street. Anything I do to it makes my daily drive better. Also if anyone has a suggestion as to another product that will make a bigger impact than these, the budget is only around $200. Thanks for you suggestions!

1. Apexi super ground kit and voltage stabilizer (Robear)
2. Ingalls Stiffy engine damper (Dezod)
2. Progress rear sway/tie bar combo (Robear) This one may be out of the price range because I heard you have to buy new end links and they are $100.

 
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Whats your goals?

I realy dont see any real reasons to buy any of theese parts that you listed.

OK, may be #3 if you want to work on handling.

 
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i would go #3 if your not trying to race, #1 won't really do anything, and #2 is basically to stop wheel hop on launches

 
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I basically want faster acceleration, better handling through corners, and less of a drag with the AC on. Which all of these products say they will do, but I'm not sure which will make the best impact at first. Also ,if the sway bar, is the neuspeed one better than the progress one? Or should I go with TYC projector headlight housings? Do you use H4 bulbs with those, I think it's the same electrical setup, you are just changing out the housings.