Cobb Subaru 08-21 WRX/STI Adjustable Rear Sway Bar - 24mm-COBB-COBBCB-013RZ-24
Cobb Subaru 08-21 WRX/STI Adjustable Rear Sway Bar - 24mm-COBB-COBBCB-013RZ-24
Cobb Subaru 08-21 WRX/STI Adjustable Rear Sway Bar - 24mm-COBB-COBBCB-013RZ-24
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Cobb Subaru 08-21 WRX/STI Adjustable Rear Sway Bar - 24mm

COBB
COBBCB-013RZ-24
700424680900
Sway Bars
10 Units In Stock - Ships Next Business Day
$ 330.00
$ 330.00

SKU: BCB-013RZ-24   |   UPC: 700424680900

Cobb Subaru 08-21 WRX/STI Adjustable Rear Sway Bar - 24mm

The Cobb Adjustable Rear Sway Bar (24mm) bolts directly onto 2008-2021 Subaru WRX and STI models, replacing the factory bar with a thicker, tunable design. This upgrade stiffens the rear suspension to balance chassis roll and sharpen turn-in response during aggressive driving. Drivers gain immediate feedback and control for autocross, track days, or spirited roads.

Key Features

  • 24mm Hollow Chromoly Steel Bar: Delivers 200%+ stiffness increase over stock 16mm bar for flatter cornering and reduced understeer.
  • 3-Way Adjustability: Three settings via splined ends and locking rings allow precise rear roll tuning without bar removal stock-like, medium, or maximum stiffness.
  • Greasable Polyurethane Bushings: Zinc-plated steel sleeves and heavy-duty bushings with zerk fittings ensure smooth operation and long life under high loads.
  • Complete Bolt-On Kit: Includes custom brackets, hardware, and bushings for straightforward installation no fabrication needed.
  • Black Powder Coat Finish: Resists corrosion and chipping for lasting appearance on daily-driven or race cars.

Product Notes

  • Pair with front sway bar for fully balanced handling; works with stock or aftermarket coilovers.
  • Grease bushings during install and every 5,000 miles for optimal performance.
  • Boxed for protection measures 41" x 6" x 6" with 16.8 lb shipping weight.

Installation Notes

  • Professional installation recommended.
  • Estimated 1-2 hours with basic tools jack up rear and remove stock bar/end links first.
  • Reuses OEM end links torque bushings to 18-22 ft-lbs and perform wheel alignment after.

This Part Fits

Year Make Model Submodel
2008-2021 Subaru Impreza WRX STI All
2008-2014 Subaru Impreza WRX Base, Limited, Premium
2015-2021 Subaru WRX Base, Limited, Premium

Why Choose Cobb?

  • Subaru specialists with decades of rally and track engineering experience.
  • U.S.-made components tested on real-world Subaru chassis for reliability.
  • Direct bolt-on design from factory CAD data ensures perfect fit and function.

Frequently Asked Questions

  • Q: Will this fit my 2017 STI hatchback?
    A: Yes, direct fit for all 2008-2021 STI sedans and hatches using OEM mounting points.
  • Q: What material is the bar made from?
    A: Seamless 4130 chromoly steel tubing with 3mm wall thickness for strength without excess weight.
  • Q: What warranty coverage?
    A: Backed by Cobb's 1-year limited warranty against defects in materials and workmanship.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective cardboard tube 41 x 6 x 6 inches
  • Weight: 16.8 lbs

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