TB Performance Front Under Brace

2016 Scion iM / 2017–2018 Toyota Corolla iM

Part #: TB-FUB-IM

Overview

The TB Performance Front Under Brace is a precision-engineered chassis reinforcement designed specifically for the 2016 Scion iM and the 2017–2018 Toyota Corolla iM. This front under brace significantly enhances vehicle handling by reducing flex in the unibody-to-crossmember connection, a common source of wallowing and instability during spirited driving. Ideal for enthusiasts seeking improved cornering confidence and traction, this upgrade delivers noticeable improvements in chassis rigidity without adding unnecessary weight.

Easy to install and built to last, the TB Performance Front Under Brace is a practical modification that transforms the driving dynamics of your Scion or Toyota iM, making it more responsive and planted through turns.

Key Features

Designed with performance and durability in mind, the TB Performance Front Under Brace offers the following key features:

• Significant reduction in chassis flex for enhanced handling precision
• Improved cornering grip and traction for confident driving
• Lightweight tube steel construction for strength without excess weight
• Heavy-duty billet CNC machined end cups for precise fitment and durability
• Durable black powdercoat finish to resist corrosion and wear
• Hand MIG welded in the USA ensuring high-quality craftsmanship
• Direct bolt-on installation with no permanent modifications required

Construction & Design

The front under brace is crafted from high-quality tube steel, chosen for its excellent strength-to-weight ratio. The tube steel design provides the necessary rigidity to reinforce the front chassis area without adding significant mass, preserving the vehicle’s overall balance. Each brace features heavy-duty billet CNC machined end cups that ensure a perfect fit and secure mounting points, enhancing structural integrity.

Every unit is hand MIG welded in the USA, reflecting meticulous attention to detail and quality control. The black powdercoat finish not only provides a sleek appearance but also protects the brace from corrosion and environmental damage, ensuring long-lasting performance.

Performance & Sound

By stiffening the front chassis, the TB Performance Front Under Brace reduces unwanted flex and body roll, resulting in sharper, more predictable handling characteristics. Drivers will experience increased traction and grip during cornering, which translates to improved driver confidence and a more engaging driving experience. While this brace does not affect engine sound, the enhanced chassis stability contributes to a more connected feel behind the wheel.

Installation & Fitment

Installation of the TB Performance Front Under Brace is straightforward and designed to be a direct bolt-on upgrade for the 2016 Scion iM and 2017–2018 Toyota Corolla iM models. No cutting, drilling, or permanent modifications are necessary, making it an accessible upgrade for enthusiasts of all skill levels. The lightweight design also ensures that installation can be completed quickly without specialized tools.

What's Included

• TB Performance Front Under Brace (tube steel construction with billet CNC machined end cups)
• Mounting hardware for direct bolt-on installation
• Installation instructions

Ideal For

This front under brace is perfect for Scion iM and Toyota Corolla iM owners who want to enhance their vehicle’s handling characteristics without extensive modifications. It is especially suited for drivers who enjoy spirited driving on winding roads or track days and desire improved chassis rigidity and cornering performance. Additionally, it appeals to enthusiasts looking for a durable, high-quality upgrade that maintains factory reliability and fitment standards.

TB Performance is a manufacturer specializing in aftermarket performance parts, particularly chassis braces and suspension components for various vehicles. Their products are designed to enhance handling and reduce chassis flex, making them suitable for both street and track applications. Enthusiasts choose TB Performance to improve vehicle stability and responsiveness during aggressive driving.