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Mustang (15-17) S550 GT4 Full Louver Kit
Mustang (15-17) S550 GT4 Full Louver Kit
Mustang (15-17) S550 GT4 Full Louver Kit
Mustang (15-17) S550 GT4 Full Louver Kit
Mustang (15-17) S550 GT4 Full Louver Kit
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Mustang (15-17) S550 GT4 Full Louver Kit

S550GT4HL-B
Many in stock
Hood Louvers
$387.99
This kit includes GT4 Style Center vent and direct replacement GT side vents. Also Includes backing...
$387.99

Mustang (15-17) S550 GT4 Full Louver Kit
  • This kit includes GT4 Style Center vent and direct replacement GT side vents.
  • Also Includes backing plates for secure mounting. The Center vent REQUIRES hood cutting and drilling.
  • Side Vents require minor trimming of underside of hood, but not the top side. Side vents are direct replacement drop in vents. Side vents do not require drilling.
  • Fits 2015 2016 and 2017 mustang
    Dimensions:
    Center
  • 18.5" Height
  • 20.25" Front Width
  • 22.5" Rear Width
    Side Vents
  • 18.6" Height
  • 4.75" Front Width
  • 5.75" Rear Width
  • Optimized louver design to maximize extraction flow velocities within a vehicle in motion 
  • Reduces under hood pressure delta to reduce front end lift and increase net vehicle downforce.
  • Significantly reduces under hood temperatures by extracting heat and allowing fresh cold air to enter the engine bay.
  • Maximize life of engine accessories by reducing overall operating temperature.
  • Increases dense, cold air flow through radiator to promote lower coolant temperatures.
  • Louver backbone design maintains hood structural rigidity.
  • Contoured to fit your specific hood curve.
  • Installs easily with supplied templates.
  • Included in kit: Templates for cutting, rivets, washers, installation instructions, and necessary spacers for a factory quality installation.
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