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When adding a set of headers, be sure to use premium quality Mustang header gaskets. Brothers Performance has a wide variety of top quality Mustang header gaskets that will give you the best seal and prevent blow-outs. Don’t waste your time with cheap Mustang header gaskets that will dry, crack and blow out. Install premium exhaust header gaskets the first time. It’s well worth it and you’ll be glad you did. Available for V6, GT, GT500 and All cobra applications - 5.0 and 4.6