GTM CNC Griso Stelvio CNC Air Box Ring

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 re-usable high-flow element linked below. Does NOT FIT the V85TT, please see our Forum for DIY info HERE. Fuel modification required via our GTM ECU ReFlash Tool and/or our dynamic fuel kits linked below.