11. How many T5’s do I need to replace the previous GPC pieces? # of GPC # of T5’s GPC-6 1 Pair 6 GPC-10 1 Pair 8 GPC-14 1 Pair 10 GPC-X 1 Pair 2 GPC-L 1 Piece 2 Paxton Guidroz Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail About the Author: Paxton Guidroz