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07-13 Infiniti G35 & G37 AWD Sedan [CS-R]

Flatout Suspension

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Now: $1,622.00
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SKU:
CSR-0713GAWD4DR
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Flatout CS-R Coilovers
2007–2013 Infiniti G35x & G37x AWD
Street and Track Performance Suspension

The Flatout CS-R for the AWD G35x and G37x is built for drivers who want precise handling on the street and real capability on track. This system blends daily drivability with confident high-speed control, giving the car a planted, responsive feel without sacrificing adjustability or long-term serviceability.

With digressive valving, monotube construction, and remote reservoirs at all four corners, the CS-R delivers strong body control, excellent mid-corner support, and consistency under repeated hard use. The result is a suspension that feels composed during daily driving and sharp when pushed.


Ride Height Adjustment

  • Front: 0.5" to 3" lower than OEM

  • Rear: 0.5" to 3" lower than OEM


Spring Rates

  • Front: 12k (675 lb/in)

  • Rear: 9k (500 lb/in)

  • Signature Flatout Club Sport red springs

These rates provide a balanced setup for AWD street and track use, with firm support for cornering while maintaining usable compliance for real roads.


Core Features

  • Designed for street and track performance

  • 2 front assemblies with reservoirs

  • 2 rear assemblies with reservoirs

  • Digressive valving for strong low-speed control and stability

  • Rebuildable monotube shock design

  • Electro-plated nickel shock cartridge for corrosion resistance

  • CNC machined high-flow aluminum piston

  • Stainless steel shim stacks

  • Medium weight synthetic shock oil

  • 20-point rebound adjustment

  • Radial bearing in front assemblies

  • Spherical bearing upper mounts

  • Sensor line brackets on lower mounts


Built to Last

  • 3-year warranty against defect

  • Assembled in the USA


The Flatout CS-R is ideal for the G35x or G37x owner who wants a serious performance suspension that can be tuned to their driving style, from aggressive daily driving to dedicated track days. It is a complete solution for drivers who value adjustability, durability, and real performance gains.

Three Year Limited Warranty: Flatout Suspension warrants to the original purchaser that these parts manufactured and/or sold by Flatout Suspension (the product) is free from defects in material and workmanship under normal use. Flatout Suspension warrants that the product will perform substantially in accordance with the specifications set forth in the documentation provided with it. The above express warranties are made for a period of the lesser of 12,000 miles or 36 months from the date the product is installed in your vehicle.