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  • GrimmSpeed Staged Power Packages for WRX, STI, Legacy GT
  • 2008 - 2014 WRX, 2005 - 2009 LGT Subaru GrimmSpeed Top Mount Intercooler TMIC
  • 2015 Subaru WRX STI License Plate Relocation

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In 2006, a small group of highly dedicated car nuts in Minneapolis, Minnesota founded a company to provide innovative and highly engineered aftermarket car performance products. After growing our engineering team...Read More>>

GrimmSpeed Performance Blog

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