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Modern Muscle Performance offers in-house installation as well as other HEMI hotrod related services! We Currently Do Not Accept American Express. Here at MMX / Modern Muscle Xtreme we only sell …

Introducing the Modern Muscle Xtreme 454 cubic inch Stroker Kit! This kit features a 4.250 stroke crankshaft, 6.125 connecting rod, and... read more.

MMX is a processor supplementary capability that is supported on IA-32 processors by Intel and other vendors as of 1997. AMD also added MMX instruction set in its K6 processor.

MMX Performance offers a wide range of precisely engineered BMW and MINI modifications, all designed in the UK for superior performance, style, and durability. Our premium BMW and MINI …

Modern Muscle Xtreme is proud to offer cutting edge performance parts for the new Hellcat platform! From custom performance camshaft grinds, CNC ported performance heads, to performance 1 piece …

Modern Muscle Xtreme is proud to offer cutting edge 5.7 performance parts for the R/T platform! From custom performance tuning options, CNC ported performance heads, custom grind performance …

ModenMuscleXtreme.com now offers this cold air intake by MOPAR for your 3.6L Pentastar powered vehicle.

6.2L & 6.4L HEMI2K Series Piston and Rod kits by MMX! This Piston and Rod Kit features a 2K Series Diamond box forging piston, and... read more.

MMX included a multiply-add instruction that provided the capabilities of a DSP chip found on sound cards. MMX CPUs had to be switched into MMX mode, which turned the first 64 bits of the...