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GTM CNC Griso Stelvio CNC Air Box Ring

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GTM™ CNC Airbox Ring/Lid Eliminator for your Stelvio or Griso 1100/1200

Proven power increases. Remove your air box lid, and install our CNC black anodized aluminum ring ONLY (using four OEM screws). For even more gains, add a BMC re-usable high-flow element shown below. Fuel modification required via our GTM ECU ReFlash Tool.

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