WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The 034Motorsport Street Density Transmission Mount Upgrade (034-509-4025) is a performance-oriented replacement for the soft factory rubber damping medium found in many Audi models. Designed for the B8, B8.5, B9, and B9.5 platforms, this 65-durometer rubber mount eliminates the excessive transmission movement that often leads to lurching, hesitation, and vague shifting during aggressive driving. By limiting this "slop," the Street Density mount provides a more connected feel between the driver and the drivetrain, resulting in crisper shifts and improved throttle response.
A significant benefit of this upgrade is its cost-effectiveness; Audi dealerships typically only sell the transmission mount as a complete, expensive assembly. The 034Motorsport solution allows you to simply replace the failure-prone rubber damping medium while reusing the factory cast housing. While this mount is designed for street use, please note that it may introduce a perceivable increase in cabin noise and vibration (NVH), particularly in vehicles equipped with Tiptronic transmissions.
Key Features:
- High-Durometer Performance: Manufactured from 65-durometer rubber to significantly reduce drivetrain movement.
- Crisper Shifting: Minimizes the "slop" felt during acceleration, deceleration, and gear changes for a more visceral driving experience.
- Cost-Effective Maintenance: Allows you to replace the worn factory rubber without purchasing the entire cast mount assembly from a dealer.
- Optimized Compatibility: Engineered to work perfectly on its own or in conjunction with the 034Motorsport Transmission Mount Insert for maximum rigidity.
- Straightforward Installation: A direct, drop-in replacement that is fully reversible if you ever wish to return the car to stock.
- Street-Tested: Extensively tested by 034Motorsport engineers and enthusiasts to ensure a balance of performance and drivability.
OEM Compatibility:
This mount is designed to install into factory assemblies with the following OEM part numbers: 8K0 399 151DB, 8K0 399 151CD, 8K0 399 151BF, 8W0 399 156AR, and 8W0 399 156AQ.
Installation Note: This upgrade requires re-using your factory metal mount bracket. Because the rubber is denser than stock, Tiptronic (automatic) owners may notice a slight increase in vibration through the chassis at idle.
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