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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:
- 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
4.1 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 4
Check the size chart but looks great, slim fit and fairly good value for what you get.
Color: Black, Size: X-Small, Color: Black, Size: X-Small
I got this MY'S 3 Piece Men's Suit for an upcoming wedding I need to attend and it fits fairly well. I am 5' - 10" with a waist around 31" and I went with the XS. I normally wear a medium so be sure to check the size chart since you can't just order your typical size. The suit is a slim fit so also keep that in mind as well.
The material is good for the value and everything looks great. There are plenty of pockets which adds some texture to the look but they are semi-sewn shut which I just found out is more common than you'd think. You have to carefully cut and pull out the thread to fully open the pocket or you can leave it for a cleaner look. Overall, I am happy with this suit and think it is a decent value for the material and quality that you receive.
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Sharp-looking three-piece suit at a fantastic price, but pay attention to size chart
Color: Light Gray, Size: X-Large, Color: Light Gray, Size: X-Large
I ordered the MY’S 3 piece men’s suit, slim-fit, in size XL for my son, who is 5’11” and 239 lbs. He typically falls between a size large and extra large, and I ordered based solely on the title at the time. The title did state that this was a slim fit, but unfortunately there were no pictures, detailed description, or size chart available when I placed the order. I wasn’t even sure what color I ordered because a color choice wasn’t available or listed at the time.
Had the size chart been visible, I would have ordered a XXL instead, as the XL did not fit my son at all. My biggest recommendation is to definitely review the size chart carefully before ordering, especially for broader or heavier builds.
Overall, this is a fairly nice three-piece suit for the price, which was $75 at the time of ordering. I think it is a fantastic value for a jacket, vest, and pants set. They also included a small tie, which was a nice added bonus that I did not expect. If this had been the correct fit for my son, I think it would have been a really solid suit to have on hand for weddings or formal events.
The quality is good overall, though there were a few minor stitching issues with some loose threads that were very easy to snip off. I really like that the jacket includes two interior pockets, and the vest has both interior and exterior pockets, which is a great functional detail.
One helpful tip is to remember to open the pockets and cut the temporary threads on the jacket flaps; something many people forget with new suits.
Another nice touch was the included cardboard guide, which shows how to fold a jacket, tie a tie, and properly iron the suit. That is something I recommend keeping. The material itself is very lightweight, which makes this suit especially suitable for warmer months like spring, summer, and fall. Overall, aside from the sizing issue, this is a great value suit with thoughtful details. Dry Clean Only
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Reviewed in the United States on February 1, 2026
★★★★★ 5
Sharp, Comfortable, and Wedding Ready Without Breaking the Bank
My best friend got married last year and her oldest son was unable to attend because he was deployed overseas. When he called me to say he was coming home six months early for a stateside assignment, we secretly planned a surprise vow renewal. She originally had a lavender color theme for her wedding, this suit looked incredible and matched up perfectly.
For the price, this set honestly surprised me. You get the jacket, vest, tie and pants, and it does not look cheap. The buttons are sewn on securely, the seams are straight, and the black trim on the lapel gives it that polished vibe. The fabric is a polyester blend, but it has a nice structure to it and holds its shape well in photos.
Fit was spot on according to the size chart. It has a modern slim look without being uncomfortably tight. He wore it all day for the ceremony, pictures, and dinner and said it was comfortable the entire time. No constant adjusting, no pulling at the shoulders, no fighting the pants waistband.
One small downside is that it does recommend dry clean only, which is expected for a suit, but still something to keep in mind if you were hoping for easy at home care. Also, because it is a slim cut, if someone is between sizes or prefers a looser fit, they may want to size up.
For a wedding, vow renewal, formal event, or even prom, this suit delivers. It photographs beautifully and looks far more expensive than the price tag suggests. For a special moment like this, it was absolutely perfect.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Surprisingly Versatile Suit Set That Works Beyond Formal Wear
Color: Black, Size: Large
I got this for my wife and she absolutely loves it. She originally wanted it to mix and match into her outfits rather than wear it strictly as a full suit, and it worked out perfectly. The slim fit pieces look sharp and modern, and each item can easily be styled separately with other wardrobe staples.
The jacket is well tailored with clean lines, and the black trim on the notch lapel adds a polished touch that elevates even casual looks. She pairs the jacket with jeans or dresses it up with tailored pants. The vest is also a standout piece and looks great layered over blouses or fitted tops. The pants fit well and have a flattering cut that works for both formal and creative styling.
The fabric feels good quality for the price and the overall construction looks well made. This suit works great for weddings and events, but it is also a fun option for fashion forward styling if you like blending menswear inspired pieces into everyday outfits.
Pros:
Clean, modern slim fit design
Jacket, vest, and pants can be styled separately
Polished details with the black trim lapel
Good quality fabric for the price
Works for weddings and creative everyday outfits
Suggestions for improvement:
Offer individual pieces for separate purchase
Include more detailed sizing guidance for alternative fits
Add more color options for mix and match styling
Overall, this suit exceeded expectations and turned out to be a very versatile addition to her wardrobe. Great choice if you want something formal that can also be styled in creative ways.
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Reviewed in the United States on January 29, 2026
★★★★★ 5
"He Cleaned Up So Good I Almost Didn't Recognize Him"
Color: Light Gray, Size: Medium, Color: Light Gray, Size: Medium
Got this three-piece suit for my grandson's school event and LISTEN. This boy walked out looking like he had a business meeting and a reservation at a nice restaurant. The light gray with black trim is sharp, slim fit actually fits without looking too tight, and the vest pulls the whole thing together. He felt like a million bucks and honestly looked like it too. For the price, the quality is impressive, good stitching, decent fabric weight. Only wore it once so far but it held up beautifully. Grandma was PROUD.
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Reviewed in the United States on March 1, 2026
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