CTS Turbo Rear Differential Carrier Insert Set B8 A4/S4/A5/S5/RS5/ALLROAD

The CTS Turbo Rear Differential Carrier Insert Set is designed to reduce drivetrain movement and improve power transfer in your Audi B8 A4, S4, A5, S5, RS5, and Allroad.

Key Features:

• Enhanced stability – reduces rear differential movement for improved throttle response and handling.
• High-quality construction – made from durable billet aluminum for maximum strength and longevity.
• Reduced drivetrain slop – minimizes drivetrain deflection, improving shifting precision and acceleration.
• Easy installation – installs with basic hand tools and works with the factory rear differential carrier.
• No significant NVH increase – engineered for performance without compromising comfort.

Performance Benefits:

• Better power delivery: Reduces flex in the rear differential bushings, ensuring more power reaches the wheels.
• More predictable handling: Improves rear-end stability, making high-speed cornering and launches more controlled.
• Stronger, more durable setup: Eliminates excessive movement that can lead to premature wear on drivetrain components.

Fitment:

• 2009-2016 Audi A4 (B8/B8.5)
• 2010-2017 Audi S4 (B8/B8.5)
• 2008-2017 Audi A5 (B8/B8.5)
• 2008-2017 Audi S5 (B8/B8.5)
• 2013-2017 Audi RS5 (B8/B8.5)
• 2013-2016 Audi Allroad (B8/B8.5)

Perfect for enthusiasts and track-day drivers looking to sharpen their B8 Audi’s performance while maintaining daily drivability.

• Free US shipping on orders over $250.
• Free pickup at our Dallas shop, usually ready within 24 hours.
• Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
• Want it installed? Book the install at thegbmotors.com.

Full details are on our shipping and returns page.