For the gen 3s you have to shave part of the front core support. It's not just 100% bolt in. You will have to trim the support with a dremel tool around the hole where the intake tube goes to the front of the radiatior. If you are not technically inclined to do this i would just pay the fair price of 175$ and have someone with more experience do it. You have to remove the bumper and old intakes etc etc, things could easily get complicated if you're not a DIYer.
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