Grimmspeed Top Mount Intercooler Splitter Subaru WRX Scoop 2004-2005

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Tired of popping your hood only to have that ugly OEM Splitter remind you of how badly it deprives your fancy TMIC of the cool, ambient air that it requires? Perhaps you’ve upgraded to an STI scoop and want to really make use of that extra air? Maybe you’ve already got an STI splitter but want to squeeze every ounce of performance out of your top mount. After frustrations with this and more, the GrimmSpeed team has the real solution. Well, five real solutions. Introducing, the GrimmSpeed TMIC Splitter lineup.


  • 70% Increase in flow capacity to your TMIC - Massively improves your TMIC's ability to remove heat
  • Designed for even flow distribution - Forces entire core work to cool the hot charge air
  • CAD design and simulation - Ensures both fitment and function
  • Durable DuPont Black Powdercoat - Protects splitter with an OEM finish
  • Custom EPDM Rubber Gasket
  • CNC Laser Cut 5052 Aluminum - Resists fatigue due to heat and vibration
  • Maximizes TMIC Efficiency - Lowers TMIC outlet temps, enables more aggressive tuning
  • 3x Intercooler Sprayer Ports


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