SKU: 28279807030

034Motorsport Audi B8 S4/S5 2-Piece Floating Rear Brake Rotor Upgrade Kit - 034-301-2007

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Description

034Motorsport Audi B8 S4/S5 2-Piece Floating Rear Brake Rotor Upgrade Kit - 034-301-2007034 Motorsport Audi B8 S4 S5 2 Piece Floating Rear Brake Rotor Upgrade Kit 034 301 2007. The 034 Motorsport 330mmx22mm 2 Piece Floating Rear Brake Rotor Upgrade Kit for the Audi B8 & B8. 5 S4 S5 is a complete replacement brake rotor kit, designed to work flawlessly with the factory rear calipers found on the B8 & B8. 5 S4 S5. Weighing in at approximately 12. 15lbs, each rotor reduces rotational weight by 4. 50lbs per corner over the factory 16. 65lb

034 Motorsport - Audi B8 S4/S5 2-Piece Floating Rear Brake Rotor Upgrade Kit - 034-301-2007.

The 034 Motorsport 330mmx22mm 2-Piece Floating Rear Brake Rotor Upgrade Kit for the Audi B8 & B8.5 S4/S5 is a complete replacement brake rotor kit, designed to work flawlessly with the factory rear calipers found on the B8 & B8.5 S4/S5.

Weighing in at approximately 12.15lbs, each rotor reduces rotational weight by 4.50lbs per corner over the factory 16.65lb rotors! While reducing weight, the rotor retains proper thermal mass in the rings to adequately capture, and dissipate heat.

The central hat portion of the 034Motorsport rotor is made of 6061-T6 aircraft specification aluminium. The disc is constructed out of a proprietary metal alloy that can withstand immense braking temperatures while holding form. From the factory, the same straight-veined rotor is used on both sides of the S4. The 034Motorsport rotors utilize 72 directionally curved vanes to forcefully flow cool air through the rotor to dissipate heat and are unique to the left and right axle to provide a substantial increase in cooling efficiency over the factory rotor design.

The face of the rotor utilizes J-Slot slots to clean the pad and surface of contaminants and allows hot pad outgassing, all while reducing overall braking noise compared to a traditional slotted rotor.

The rotor and hat have a floating mount system that utilizes high strength alloy steel bobbins. The pins take the load from braking events while maintaining the axial and radial float between the hat and disc, allowing for safe expansion and contraction from heat.

FEATURES:

  • Lightweight Construction (12.15lb 034Motorsport Rotor vs 16.65lb OE Rotor)
  • Floating, 2-Piece Design
  • Aerospace Grade Aluminium Hats with Type III Hard Anodizing**
  • CM-250 Special Alloy Rotor Rings
  • J-slotted Friction Face
  • OEM Fitment & Functionality
  • 72 Curved Vanes Force Cooling Air through Brake Disc
  • Directionally Curved Cooling Vanes vs OE Straight-Veined Rotors
  • Floating Bobbins Mounting System
  • Replaceable Rotor Rings
  • Lower Long-term Maintenance Cost

**Please Note: Type III hard anodizing of aluminium is considered as a functional surface coating process. While we always aim for colour consistency, colour variations may exist from batch to batch due to the nature and variables in the anodizing process.

FITMENT:

Make Model Years Chassis Engine
Audi A6 2012-2018 C7/C7.5 2.0 TFSI
Audi A6 2012-2018 C7/C7.5 3.0 TDI
Audi A6 2012-2018 C7/C7.5 3.0 TFSI
Audi A7 2012-2018 C7/C7.5 3.0 TDI
Audi A7 2012-2018 C7/C7.5 3.0 TFSI
Audi S4 2010-2017 B8/B8.5 3.0 TFSI
Audi S5 2008-2012 B8 4.2L FSI
Audi S5 2013-2017 B8.5 3.0 TFSI
Audi SQ5 2012-2017 B8/B8.5 3.0 TFSI
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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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]
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SKU: 28279807030

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4.6 ★★★★★
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A
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Abby B
Waukegan, US
★★★★★ 5
Surprisingly great for my wide feet and high instep!
Size: 10.5, Color: Velvet Tan/Gum 2
So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!
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Reviewed in the United States on March 7, 2026
E
Verified Purchase
EE
Carnegie, US
★★★★★ 5
Comfortable, sturdy, waterproof
Size: 9.5, Color: Black/Black
Loce, love, love these boots. Have walked ten miles with no foot pain around NYC. They go with everything and and are so comfortable. As they are waterproof/resistant, they get a little warm in high temps, but perfect three-season boots.
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Reviewed in the United States on May 17, 2026
K
Verified Purchase
Kate
Cuba, US
★★★★★ 5
Super cute, comfortable, practical, love that they are slip on
Size: 10.5, Color: Tobacco/Black
I have worn these 2-3 times already. The first day was a school/work day so I was on my feet 9 hours and the only issue I had was with the side of the boot rubbing against my ankle. I just make sure I wear socks high enough to cover my ankles or jeans that go into the boots now for long wear days. Absolutely love them! They keep my feet dry in this snow( we live in Michigan). I had been looking for a pair like this for awhile now and was getting super frustrated that I couldn't find my size in any that I liked. I saw that they had these available in a 10.5 and I wear 11. I looked at the Sorel website reviews (since the amazon ones weren't super helpful on sizing) and they said that the boots ran big so I took a chance on the 10.5 fitting me. They fit perfect. I have long narrow feet but I could see where they would be tight or uncomfortable on someone with wider feet. I've been trying to find a pair for my mom now since she has boot envy.
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Reviewed in the United States on January 27, 2026
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Nicholle King
New York, US
★★★★★ 5
Worth it.
Size: 8.5, Color: Crushed Clay/Gum 2
Love all my Sorels. These were really cute, good color, comfortable, warm, fit well, good quality and sturdy. I would order again.
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Reviewed in the United States on March 26, 2026
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jmb02129
Battle Creek, US
★★★★★ 5
Fantastic Boots!
Size: 8.5, Color: Redwood/Gum 10
Completely satisfied with these boots. True to size, well made, comfortable from the get-go; not break in needed. Waterproof- really. The Red Suede has withstood a nasty winter season & still looks great. Good traction. I like the ankle height which looks good with long, mid length pants & leggings. I love the easy slip on/off aspect..made getting ready for dog walking easy. I 100%recommend!
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Reviewed in the United States on April 11, 2026

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