034 Motorsports Billet Aluminum Rear Subframe Mount Insert Kit for 2017-2023 Audi B9 A4/S4/A5/S5/RS5

If you re looking to tighten up the rear end of your B9 Audi, these Billet Aluminum Rear Subframe Mount Inserts from 034Motorsport are a solid upgrade. You know how the factory rubber mounts can get a bit squishy under load? That deflection can really mess with your handling, making the rear feel vague and leading to some unwanted understeer. That s where these precision-machined inserts come into play.

Made from T6-6061 billet aluminum, these inserts are designed to fill those voids in the factory mounts. They keep the subframe from moving around too much without turning your ride into a harsh experience. You won't notice any extra noise or vibration inside the cabin, which is a huge plus if you appreciate a refined driving experience. Plus, they work seamlessly with your existing rubber mounts.

What s cool is that these inserts were developed using CAD software and rigorously tested on 034Motorsport's own B9 Audi A4. So, you re not just getting a random piece of aluminum; you re getting something that s been fine-tuned for performance. The result? Better handling and a more connected feel when you re out on the road. You ll even notice an improvement in your shifting; those gears will feel crisper and more precise.

Installation is straightforward and completely reversible, which is great if you ever want to switch things back. And if you're thinking about enhancing your ride with an aftermarket rear sway bar, these inserts will definitely help maximize its effectiveness.

Features:

• T6-6061 Billet Aluminum Construction
• CNC-Machined In-House for Precision
• Durable Clear Anodized Finish
• Engineered to Fill Voids in Factory Rear Subframe Mounts
• Helps Maintain Proper Suspension Geometry When Cornering
• Reduces Rear Subframe Movement During Launches & Acceleration
• Improves Shifting Feel for Crisper Shifts
• Minimal NVH Transfer Inside Cabin
• Easy Installation Process

What s Included:

• 034Motorsport Billet Aluminum Audi B9 Rear Subframe Insert - Front (Pair)
• 034Motorsport Billet Aluminum Audi B9 Rear Subframe Insert - Rear (Pair)

Fitment:

• 2017 - Present Audi A4 (B9)
• 2017 - Present Audi S4 (B9)
• 2017 - Present Audi Allroad (B9)
• 2018 - Present Audi A5 (B9)
• 2017 - Present Audi S5 (B9)
• 2018 - Present Audi RS5 (B9)

Note: You can reuse the four factory rear subframe bolts at the specified torque from our Installation Guide. If you want new stretch factory hardware, grab 2 of N91228001 and 2 of WHT004756A.