This 1999 Mazda MX-5 Miata spent time in Maryland and Wisconsin before it was acquired by the seller in 2015. It was subsequently modified with the installation of a 5.7-liter LS6 V8, "243"-stamp cylinder heads, an LS7-specification clutch, a rebuilt six-speed Tremec T56 transmission, a Getrag limited-slip differential, an NB2-style front bumper…