TB Performance Rear Strut Bar

2004–2006, 2008–2015 Scion xB

Part #: TB-RST-XB2

Overview

The TB Performance Rear Strut Bar is a precision-engineered chassis reinforcement designed specifically for the Scion xB models from 2004 to 2006 and 2008 to 2015. This rear strut tower brace connects both rear strut towers with a rigid steel tube, significantly reducing chassis flex and improving overall vehicle stability. Whether you drive your Scion xB daily or are building a dedicated race car, this strut bar enhances handling responsiveness and suspension tuning capabilities while adding a sleek, race-inspired aesthetic to your vehicle’s trunk area.

By stiffening the rear suspension mounting points, the TB Performance Rear Strut Bar helps maintain proper alignment under cornering loads, resulting in more predictable handling and improved driver confidence. It is an essential upgrade for enthusiasts seeking better control and a more connected driving experience.

Key Features

Designed with both performance and style in mind, the TB Performance Rear Strut Bar offers the following key features:

• Heavy-duty billet CNC machined end cups for precise fitment and durability
• Rigid tube steel construction to minimize chassis flex and deflection
• Black powdercoat finish for corrosion resistance and a sleek, race-ready appearance
• Hand MIG welded in the USA to ensure superior build quality and strength
• Improves handling by linking rear strut towers, enhancing chassis rigidity
• Facilitates easier tuning of adjustable suspension setups
• Simple installation process with all necessary hardware included
• Compatible with both daily-driven vehicles and full race builds

Construction & Design

The TB Performance Rear Strut Bar is crafted from high-strength tube steel, chosen for its excellent balance of rigidity and weight. The end cups are precision CNC machined from billet aluminum, ensuring a perfect fit to the rear strut towers and providing a solid mounting interface. The entire assembly is hand MIG welded in the USA, guaranteeing structural integrity and long-lasting durability.

Its black powdercoat finish not only protects against corrosion and wear but also adds a refined, aggressive look that complements the Scion xB’s sporty character. The design focuses on maximizing chassis stiffness without adding unnecessary weight, making it an ideal upgrade for both street and track applications.

Installation & Fitment

Installation of the TB Performance Rear Strut Bar is straightforward and can be completed in approximately five minutes using basic hand tools. The bar is designed to bolt directly onto the factory rear strut towers without any modifications or drilling. All required hardware is included, making it a hassle-free upgrade for enthusiasts of all skill levels.

This strut bar fits Scion xB models from 2004 through 2006 as well as 2008 through 2015, ensuring broad compatibility across multiple generations of the vehicle.

What's Included

• TB Performance Rear Strut Bar assembly
• Billet CNC machined end cups
• All mounting hardware (bolts, nuts, washers)
• Installation instructions

Ideal For

This rear strut bar is ideal for Scion xB owners looking to improve chassis rigidity and handling precision. It suits daily drivers who want enhanced cornering stability as well as enthusiasts building track-focused or race vehicles. Its combination of performance benefits and clean, race-inspired styling makes it a versatile upgrade for a wide range of driving applications.