SKU: 64324626468

034 Billet Aluminum Rear Subframe Mount Insert Kit

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Description

034 Billet Aluminum Rear Subframe Mount Insert Kit034Motorsport is pleased to present Billet Aluminum Rear Subframe Mount Inserts for the B8 B8. 5 Audi S4 RS4, S5 RS5, Q5 SQ5! The B8 B8. 5 Audi S4 RS4, S5 RS5, and Q5 SQ5 use rubber rear subframe mounts which deflect under load, causing the rear end to feel vague and loose, as well as leading to less than optimal suspension geometry and increased understeer. These precision machined billet aluminum inserts are designed to fill voids in the factory

034Motorsport is pleased to present Billet Aluminum Rear Subframe Mount Inserts for the B8/B8.5 Audi S4/RS4, S5/RS5, Q5/SQ5!

The B8/B8.5 Audi S4/RS4, S5/RS5, and Q5/SQ5 use rubber rear subframe mounts which deflect under load, causing the rear end to feel vague and loose, as well as leading to less-than-optimal suspension geometry and increased understeer. These precision-machined billet aluminum inserts are designed to fill voids in the factory rear subframe mounts, and limit subframe movement without sacrificing ride quality or introducing any perceivable additional noise, vibration, or harshness into the cabin. The result is a more refined, connected driving experience, as well as improved effectiveness of aftermarket rear sway bar upgrades and suspension components.

Designed to work in conjunction with the factory rubber mounts, this insert package was engineered using CAD software and thoroughly tested and refined to provide a significant improvement in handling performance and feel.

These inserts were tested extensively by 034Motorsport and independent Audi enthusiasts before release on multiple B8/B8.5 vehicles. Installation is very simple, can be performed in under an hour, and is completely reversible.

Features:
  • T6-6061 Billet Aluminum Construction
  • CNC-Machined In-House
  • Clear Anodized Finish for Durability
  • 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, Resulting in Crisper Shifts
  • Virtually No Additional NVH Transfer Inside Cabin
  • Easy, Straightforward Installation
What's Included:
  • 034Motorsport Billet Aluminum B8/B8.5 Audi S4/RS4, S5/RS5, Allroad, Q5/SQ5 Rear Subframe Insert - Front (Pair)
  • 034Motorsport Billet Aluminum B8/B8.5 Audi S4/RS4, S5/RS5, Allroad, Q5/SQ5 Rear Subframe Insert - Rear (Pair)
Installation Instructions:
Fitment:
  • 2010 - 2016 Audi S4 (B8/B8.5)
  • 2010 - 2016 Audi RS4 (B8/B8.5)
  • 2008 - 2016 Audi S5 (B8/B8.5) 
  • 2010 - 2016 Audi RS5 (B8/B8.5)
  • 2008 - 2016 Audi Q5/SQ5 (B8/B8.5)
  • 2012 - 2016 Audi S6 (C7/C7.5)
  • 2015 - 2016 Audi Allroad (B8.5)
  • NOTE: This insert set will not fit all subframe bushings. The difference can be determined by the direction of the steel cap covering the mount. If the steel cap long side is in the direction of travel, they won't work for your application. If the long side is perpendicular to the line of travel then you are good to go! Refer to the installation instructions to see what this looks like.

Please Note for Audi SQ5 Fitment: The four factory rear subframe bolts can be reused at the torque specified in our Installation Guide. If you wish to purchase new stretch factory hardware, the part number for these bolts is WHT004756A. SQ5 Models utilize a different bolt for the front bushings on the rear subframe and will require two bolts with factory part number WHT005800.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 64324626468

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★★★★★ 5
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Anker USB C Hub (7-in-1) I now have several Anker Products in my home. These folks just know how to build products. Affordable and durable, stable and easy to use. This 7 in 1 is all Plug and Play. I am using an external power supply, and this product delivers it to all of my connected devices. The stability of every thing plugged into the USB Ports keeps everything connected just as it should. I recommend the Anker Product Line and this product in particular. SO, if you're in need of additional USB Ports, go with Anker.
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Reviewed in the United States on March 2, 2026
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Dorthy Shortz
Dallas, US
★★★★★ 5
It's a job but totally worth it
Size: 36 sqft
Pack a lunch when you tackle this project boys.. its a doozy!! Month in going great so far definetly did what I purchased it to do. 2000 chevy with two p3 10s every bass drop sounded like an old firebird with loose trunk bolts. Threw this on the back walls floor underneath the speaker and the doors.. all that energy is now in the cab with me instead of getting lost in rattling metal!! Love it!!! Left a few pieces outside after I was done rained like hell on them so water doesnt hurt this stuff at all or direct sunlight in south mississippi.. good stuff pick this up and make them systems thud instead of rattle!!! You wont regret it!! I didn't!!
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Reviewed in the United States on June 11, 2026
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Roseanna Boyce
Louisville, US
★★★★★ 5
Delivers a quieter ride
Size: 36 sqft
This works very well to put down road noise. The difference was immediate in my van. I was shocked it made such a difference.
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Reviewed in the United States on June 6, 2026
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JC
Waukegan, US
★★★★★ 4
Reasonably priced sound deadening
Size: 18 sqft
Easy to cut with a carpet knife. I used a heatgun to make it stickier and more moldable. The foil isn't so thick that you risk cutting yourself like some Dynamat variants.
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Reviewed in the United States on March 12, 2026
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David
Pawtucket, US
★★★★★ 5
Works for me
Size: 36 sqft
Sticky so don’t let it touch you or each other but it comes off and works fine.
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Reviewed in the United States on June 7, 2026

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