Tanabe Sustec Tower Bar Plus+ (Rear Lower Support Corner Bars) 2023+ Toyota GR Corolla
Share this part with a friend in need!


OVERVIEW
Complete your rear-end triangulation and transform your hot hatch's handling limits with the Tanabe Sustec Tower Bar Plus+ Rear Lower Support Corner Bars for the Toyota GR Corolla. While a standard upper strut bar does an excellent job tying the top shock anchors together, heavy track cornering forces still inflict flexing stresses across the lower hatch flooring structures. This 2-piece triangulation bracing kit anchors directly to the lower floor frame, locking into your upper brace layout to form a highly rigid, load-bearing cross-structural matrix. By preventing minor chassis movements and eliminating suspension distortion under extreme load, this kit forces your dampers, performance springs, and heavy-duty sway bars to operate at absolute perfection. Built with Tanabe’s renowned "Plus+" cross-sectional extruded aluminum barrel layout, this support bar structure features an internal structural lip that boosts overall stiffness by 138% compared to standard, base-profile bracing. Includes a 1-Year Manufacturer Warranty directly through Tanabe.
FEATURES
- Complete 3-Point Triangulation: Ties the lower floor chassis supports securely into your rear strut tower structure to block multi-directional flex and body twist.
- Advanced Plus+ Architecture: Employs Tanabe's signature 16% larger oval cross-sectional barrel profile, realizing an exceptional 138% jump in torsional rigidity over classic designs.
- Extruded Aluminum Shaft: Center bars are precision-extruded from lightweight, high-tier aluminum and feature an internal dual reinforced lip design on the underside to prevent deflection.
- 100% Steel Base End Plates: Anchored by heavy-duty, direct-fit steel mounting brackets to completely eliminate flex at the structural tower mounting points.
- Direct Bolt-On Setup: Formed to use pre-existing factory chassis holes and structural anchor coordinates for a quick, trouble-free installation.
SPECIFICATIONS
- Manufacturer Part Number: TTB210R2
- Shaft Material: Extruded Internally-Reinforced Aluminum
- End Bracket Material: High-Strength Structural Steel
- Shaft Profile: Enhanced Oval Cross-Section (+16% area increase)
- Placement Position: Rear Trunk Space / Lower Corner Trusses
WHAT IS INCLUDED
- 2x Tanabe Sustec Aluminum Rear Lower Corner Support Bars
- All Mandatory Structural Installation Hardware & Bracket Components
PART NUMBER
- TANTTB210R2
FITMENT
- 2023-2026 Toyota GR Corolla
Please Note: This listing includes the Lower Support Corner Bars Only. The matching upper horizontal main bar is sold separately by Tanabe under part number TTB210R1. For optimum handling results and complete chassis triangulation, we highly recommend utilizing both bracing systems together.
