Whiteline Rear Sway Bar 20mm Adjustable – 2000-2004 Subaru Legacy / Outback

Rear Roll Stiffness for the BH/BE Legacy and Outback
The Whiteline BSR12XZ is a 20mm 3-point adjustable rear sway bar for the 2000-2004 Subaru Legacy and Outback (BH/BE chassis). The BH/BE Legacy GT is a capable AWD performance sedan that benefits from rear roll stiffness improvement — the 20mm BSR12XZ provides a meaningful step up from the factory rear bar with three adjustment positions for setup flexibility.

DETAILS

• 20mm 3-point blade adjustable rear sway bar
• Solid spring steel, silver powder coat
• Includes mount bushings and hardware
• 3 adjustment positions
• Fitment: 2000-2004 Subaru Legacy and Outback (BH/BE chassis)

BH/BE Legacy and Outback
The BH/BE Legacy GT and Outback versions of the first-generation B platform Legacy benefit from rear anti-roll improvement. The 20mm BSR12XZ provides balanced improvement for street and mixed-use applications.

Three Positions
Middle for balanced street and spirited driving. Outer for more aggressive rear roll stiffness. Inner for a softer tune when full 20mm is more than needed.

Pair With Front Bar
Whiteline offers front sway bars for the BH/BE Legacy platform. Matched front and rear upgrades produce the most balanced improvement.

Why Choose Whiteline

Whiteline has been engineering suspension components from their facility in Australia since 1979. Every product in their catalog is developed with a clear goal: measurable improvement in handling, stability, and tyre contact. Whiteline’s polyurethane bushings, sway bars, control arms, and alignment correction kits are engineered using finite element analysis and validated on track before they reach the market. Their components are direct-fit, bolt-on solutions designed for enthusiasts who want real performance gains without fabrication or custom work.

The RallySport Take

Rear anti-roll upgrade for the BH/BE Subaru Legacy and Outback. Installation is a straightforward bar swap — remove the OEM bar, install the Whiteline unit with the provided polyurethane mount bushings, connect the endlinks. Start in the middle adjustment position and move from there. Adjustable endlinks are a worthwhile companion purchase if the car has been lowered, ensuring the bar operates at zero preload at the new ride height.

What’s in the Box

• 20mm 3-point blade adjustable rear sway bar
• Solid spring steel, silver powder coat
• Includes mount bushings and hardware
• 3 adjustment positions

Fitment