APR Tunnel Brace for Audi A6/S6 & A7/S7/RS7 (C7) | EXH0321

The APR Tunnel Brace (EXH0321) is a dual-purpose chassis and clearance upgrade for the Audi C7 and C7.5 platforms. While the factory stamped-steel brace is prone to flex and offers limited space for performance modifications, the APR unit is engineered from CNC-bent, laser-cut 6061 aluminum. This design significantly increases structural rigidity at the center of the chassis while sitting slightly lower in the tunnel to provide the necessary clearance for oversized, high-flow exhaust systems.

Whether you are installing a large-diameter APR exhaust or simply want to tighten up the handling of your luxury sedan, this brace offers a "no-compromise" solution. Its attractive, lightweight design replaces the unsightly and weak OEM component, providing a professional, performance-oriented finish to the underside of your vehicle.

Key Features:

• Increased Exhaust Clearance: Specifically redesigned to sit lower in the chassis tunnel, making room for larger aftermarket exhaust tubing without rattling.
• Improved Chassis Rigidity: Replaces the flimsy factory stamped-steel part with a rigid aluminum structure to reduce chassis flex.
• Precision Manufacturing: CNC-bent and laser-cut from high-strength 6061-T6 aluminum for a perfect fit every time.
• Lightweight & Durable: Aluminum construction provides superior corrosion resistance and a significant weight advantage over steel.
• Attractive Aesthetic: Adds a high-end, performance-ready look to the underbody of the C7 chassis.
• Bolt-On Installation: Uses factory mounting points for a simple, straightforward install with no drilling required.

Technical Specifications:

Installation Instructions