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21 Posts
i need some opinions. i need to replace my exhaust on my 1997 mustang gt; as of now i dont have any mufflers or cats. i want a system that will give me a deep growling sound. my headers are stock. the flowmaster exhaust with the 40 series seems to be popular and i also was looking at the slp loudmouth. which is a better system? i want a system that wont rust out, so ill take some other suggestions. thanks!