034Motorsport Billet Aluminium Rear Subframe Insert Kit - Audi B9 A4/A5/S4/S5/RS5 - 034-601-0046
SKU: 66851827768

034Motorsport Billet Aluminium Rear Subframe Insert Kit - Audi B9 A4/A5/S4/S5/RS5 - 034-601-0046

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Description

034Motorsport Billet Aluminium Rear Subframe Insert Kit - Audi B9 A4/A5/S4/S5/RS5 - 034-601-0046034 Motorsport Billet Aluminium Rear Subframe Insert Kit Audi B9 A4 A5 S4 S5 RS5 034 601 0046. 034 Motorsport is pleased to present Billet Aluminum Rear Subframe Mount Inserts for the B9 Audi A4 S4 A5 S5 RS5 & Allroad! The Audi B9 chassis uses 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

034 Motorsport - Billet Aluminium Rear Subframe Insert Kit - Audi B9 A4/A5/S4/S5/RS5 - 034-601-0046.

034 Motorsport is pleased to present Billet Aluminum Rear Subframe Mount Inserts for the B9 Audi A4/S4/A5/S5/RS5 & Allroad!

The Audi B9 chassis uses 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 aluminium 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 on 034Motorsport's in-house B9 Audi A4 Development Vehicle before release. Installation is very simple 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 Audi B9 Rear Subframe Insert - Front (Pair)
  • 034Motorsport Billet Aluminum Audi B9 Rear Subframe Insert - Rear (Pair)
Installation Instructions:
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)

Please Note: 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, you will need QTY: 2 of N91228001 and QTY: 2 WHT004756A.

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: 66851827768

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Danica Mandic
Waukegan, US
★★★★★ 5
Soft comfortable very good pillow
Size: King (Pack of 1), Color: White
I really love my new pillow it's great and comfortable. Yes, it has a little smell, but if you wash the pillowcase and put the pillow on the window for a day you won't notice anything anymore.
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Reviewed in the United States on May 18, 2026
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Zachery Jeffries
Carnegie, US
★★★★★ 5
Best place for head
Size: Queen (Pack of 1), Color: White
Do you love not getting sleep and sweating all over your pillow at night when you are asleep? If so then don't buy this pillow! If you want a good nights sleep and cool pillow like me this is the one. Ive always been ehh towards spending so much on a pillow but its 100% worth it, I sleep so much better and it forms to my head and keeps me cool at night. Great support even for my big head and comes with a bag of extra stuffing if you want to have a little more firmer pillow. Highly recommend
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Reviewed in the United States on April 4, 2026
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Verified Purchase
Loves_2_read
San Leandro, US
★★★★★ 3
Oversized
Size: Queen (Pack of 2), Color: White
I have chronic neck pain. I am forever buying new pillows. Sometimes I think I found the perfect pillow but then three months later they’re losing their loft. I thought I would give these pillows to try since the stuffing is removable. Now these pillows are really oversized. To the point where I thought that they had sent me king-size pillows but I double checked the packaging and they were Queen. I ended up having to buy king-size pillowcases for them because they just barely fit in the queen size and the pillowcases would always end up pulling back from the edge. So that’s a negative one star there. Now I’ve been sleeping on these pillows for a while and they have held up well. I did end up removing some of the stuffing because it was just too much. I’m a side sleeper and when I use this pillow, it does a good job of keeping my neck in alignment. However, the pillow tends to migrate up as I sleep. Or I tend to slip down off the pillow, either or. So that’s why I’ve removed a second star. Maybe if I removed more stuffing that wouldn’t happen, but then I feel like the loft would be too little. I will say that these provide great support when sitting up in bed reading or watching TV. So would I buy them again? Probably not. Am I going to keep using them? Yes
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Reviewed in the United States on December 23, 2025
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Layton Phillips
Natrona Heights, US
★★★★★ 5
Great pillow, but the cooling effect depends on the cover
Color: Blue-ice Plus, Size: King(Pack of 2)
I really like this pillow overall. It’s comfortable, supportive, and feels well made. When you use it without a pillowcase, it definitely feels cool to the touch and does what it claims in terms of that initial cooling sensation. However, once you put a pillowcase on it, you can’t really feel the cooling effect anymore. I’ve tried multiple different pillowcases made from different materials, and none of them really let that cool feeling come through. That said, I still love the pillow itself. It’s comfortable and supportive enough that I’m keeping it. Just keep in mind that the cooling feature works best without a cover, which isn’t ideal for everyone. Overall, a good pillow — just manage expectations about the cooling effect once it’s covered.
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Reviewed in the United States on February 17, 2026
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Hannah N. Ford
Bozeman, US
★★★★★ 5
Cooling and holds shape.
Color: Blue-ice Plus, Size: Queen(Pack of 2), Color: Blue-ice Plus, Size: Queen(Pack of 2)
Very nice pillow for the price is also holding up well and holding shape very cool and comfortable to the touch. Best pillow I found in a long time.
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Reviewed in the United States on April 28, 2026

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