you are giong to have to get that from the dealer and they are about a 5 min job to install. You pull the old one off and there will be a track that stickes out and you just slide the new one in the grove that is in the strip over that spot. Once you start you will see what I'm talking about. It's easier than it sounds.
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98 4dr gtp.porter and polished charger, 3.5 pully,msd plug wires and coils, ngk plugs, cold air int, u-bend d, dinomax 2 chanber muffs now,magna flo high flo cat, 180 t stat,