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Thule - Sonic Cargo Box

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Thule - Sonic Cargo Box

Availability: Out of stock

Stock #: 525D-
This product is only available for in-store purchase. Please stop by the store, or call 888-547-4327 for more information.

Honed to aerodynamic perfection, Thule Sonic cargo boxes slice through the wind to reduce noise and fuel consumption.



  • Patented AeroNose Design reduces drag and noise making it the most aerodynamic box available.
  • Patented Rear-Angled Base and expanded vehicle mounting points help maximize trunk and hatch clearance.
  • AcuTight Mounting “clicks” when you reach optimal hold to ensure your box is secured to the rack.
  • SecureLock™ ensures that all gear is locked and box is properly closed prior to driving
  • Dual-Side opening for easier loading and unloading from either side of the vehicle
  • Fits Thule rack systems, round bars and most factory racks
  • 2 One-Key™ Locks (included) secure box contents and lock the box to the carrier


  • Volume (cu. ft.) 13 (LG) 17 (XL) 22 (XXL)
  • Length (in) 73 in (LG) 90 in (XL) 100.5 in (XXL)
  • Width (in) 34.5 in (LG / XL) 37.5 in (XXL) 
  • Height (in) 16 in (LG / XL) 17 in (XXL)
  • Weight (lb) 40 lb (LG) 51 lb (XL) 63 lb (XXL)
  • Acu-tight mounting system
  • Dual-side box opening
  • Central lock 
  • Max length of skis (cm) 158 (LG) 201 (XL) 227 (XXL)
  • Fits Aero Profile 
  • Fits SquareBar

Additional Information