just to explain more on what blackvert was talking about.
it all depends on what you're driving, for instance, you'll find springs drop a lot lower in a hardtop rather than a convertible due to weight differences. Also, some companies, including Eibach don't make extreme lowering springs for convertibles because of the structure. So, if you own a coupe hardtop, you're fine... but if you're one of us vert guys

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