034Motorsport is proud to offer our Billet Aluminum X-Brace Chassis Reinforcement Upgrade for the B8 & B8.5 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5, and Allroad! The factory Audi front subframe brace is manufactured from multiple pieces of stamped steel, and allows for performance-hindering chassis flex under load. This torsional flex can result in improper suspension geometry and alignment when cornering, and leads to vague steering feel and lack of steering precision.

The 034Motorsport X-Brace is a billet aluminum chassis reinforcement to replace the factory front subframe brace to increase torsional rigidity, resulting in improved steering feel and handling performance. Machined in-house from T6-6061 billet aluminum, the 034Motorsport X-Brace is engineered to outperform the stock welded, stamped steel part and ensure that suspension geometry is not compromised by chassis flex under hard cornering. Weighing in at 8.2 pounds versus 7.8 pounds for the factory stamped steel part, the X-Brace adds significant strength and rigidity with a negligible effect on weight.

This chassis brace upgrade was thoroughly tested by 034Motorsport and independent Audi enthusiasts before release. Installation is very simple, can be performed in minutes, and is completely reversible.

Features:

T6-6061 Billet Aluminum Construction
CNC-Machined In-House
Clear Anodized Finish for Durability
Engineered to Replace Factory Front Subframe Brace
Drastically Reduces Chassis Flex When Cornering
Enhances Handling Dynamics and Performance
Improves Steering Feel, Consistency, and Precision
Will Not Cause Additional NVH Transfer Inside Cabin
Modular Design Fits Both B8 (Pre-Facelift) & B8.5 (Facelift) Models
Easy, Straightforward Installation!

What's Included:

034Motorsport Billet Aluminum X-Brace Chassis Reinforcement (Fits B8/B8.5 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5)
Modular X-Brace Inserts (Set of 2)
M10 X-Brace Assembly Screws (Set of 4)
M5 Undercarriage Tray Mounting Screws (Set of 4)
15mm Undercarriage Tray Mounting Washers (Set of 4)

Fitment:

2009 - 2016 Audi A4 (B8/B8.5) All LHD Models
2010 - 2016 Audi Allroad (B8/B8.5) All LHD Models
2010 - 2017 Audi S4 (B8/B8.5) All LHD Models
2013 - 2017 Audi RS4 (B8/B8.5) All LHD Models
2008 - 2017 Audi A5 (B8/B8.5) All LHD Models Except Cabriolet
2008 - 2017 Audi S5 (B8/B8.5) All LHD Models Except Cabriolet
2013 - 2017 Audi RS5 (B8/B8.5) All LHD Models Except Cabriolet
2008 - 2017 Audi Q5/SQ5 (B8/B8.5) All LHD Models

Replaces:

8T1 399 345J / 8T1399345J
8K1 399 345E / 8K1399345E

Notes:

Fits LHD (Left-Hand-Drive) Vehicles Only. Does Not Fit RHD (Right-Hand-Drive) Vehicles.
Does Not Fit Cabriolet.
The X-Brace will fit the Audi RS5, however, due to a variation in the belly pan, it will block some mounting points for the plastic shield.
We recommend using new factory stretch bolts to install the X-Brace. Complete factory bolt kits are sold separately

Other Part Numbers:
034 Motorsports #VR034-603-0008

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Make Vehicle	Model	Year
2009-2016 Audi A4	A4	2009-2016
2008-2022 Audi A5	A5	2008-2022
2008-2016 Audi Q5	Q5	2008-2016
2013-2015 Audi RS4	RS4	2013-2015
2013-2016 Audi RS5	RS5	2013-2016
2010-2016 Audi S4	S4	2010-2016
2008-2016 Audi S5	S5	2008-2016
2012-2021 Audi SQ5	SQ5	2012-2021

Who is 034 Motorsport?

Name: 034 Motorsport X-Brace Billet Aluminum Chassis Reinforcement, B8/B8.5 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5, Allroad
Brand: 034 Motorsports
SKU: 151572224
Price: 596.00 USD

034 Motorsport was founded in 2005 for enthusiasts by enthusiasts with a passion for bringing motorsport-quality performance upgrades and tuning to Audi and Volkswagen vehicles. Since its inception, the company has grown to meet the expanding needs of petrolheads with innovation, quality, and performance in mind. 034 Motorsport is dedicated to providing customers with only the finest performance products, tuning, and service for their Audi or Volkswagen.

Dedicated to the Car Scene

034Motorsport is owned and operated by car enthusiasts just like you! This means that you can count on them for expert advice and products that deliver each and every time. When they aren’t at work, you can find the 034 Motorsport folks at local car meets, Audi Club Track Days, or simply at home working on their own rides.

Being gearheads themselves, the 034 Motorsport staff understands the importance of a strong automotive community and giving back to the customers they owe their success to. 034Motorsport is a proud sponsor of Audi Club North America's Golden Gate Chapter, in addition to several other popular automotive forums, including Audizine, Fourtitude, VWvortex, and QuattroWorld. The brand also supports NorCal Audi Club, and frequently hosts events for its members.

Involvement in Competition Racing

034Motorsport stays true to its roots (and name) by actively participating in motorsport events, like time attacks, endurance racing, and hill climbs. These events allow the company to simultaneously showcase its products and racing expertise, while putting them to the ultimate test. A number of 034 Motorsport’s most iconic projects, including the Time Attack A4, GTI-RS, and 80tq raised the bar for on-track performance, while also accelerating production and testing processes.

Extensive Quality Product Lineup

034 Motorsport is well-known for producing some of the finest race-proven performance upgrades for Audi and Volkswagen enthusiasts. The 034 Motorsport performance facility is located in Fremont, California and home to its engineering, manufacturing, and tuning departments. The company prides itself on in-house manufacturing, where it designs, fabricates, calibrates, and tests all products under one roof with complete control. 034 Motorsport carries a wide range of products that includes suspension parts, motor mounts, intakes, silicone hoses, and numerous underhood goodies.

Find 034 Motorsport at Vivid Racing

You can find an extensive lineup of quality 034 Motorsport parts right here at Vivid Racing. We carry everything from 034 Motorsport blow-off valves, cold air intakes, intercoolers, differentials, and ventilation systems to wheel spacers, springs, turbos, mid-pipes, and steering components. Whatever you may possibly need, chances are we carry it! If you cannot find a particular item above or have any questions, please call our sales team at (480) 966-3040.

It is the intention of 034Motorsport to sell only quality products. We offer a 1-year warranty against defects in workmanship or materials, not extending to normal tear and wear or mis-use. You must provide us with a proof of purchase, defect or the result of wear or mis-use. Some products have less than 1-year warranty. Please inquire before ordering.

034Motorsport will only replace or repair warranty items. No refunds will be given. 034Motorsport or the product manufacturer will inspect or test all products prior to a warranty claim adjustment. This process may take up to 6 weeks. You must obtain an RMA number from either Customer Service or Technical Support prior to any return. All products we offer are warranted to be free from defects prior to installation. Any modification or improper use voids this warranty. This warranty does not cover installation. 034Motorsport shall be the final arbitrator in interpreting the extent and remedy of warranty.

034Motorsport warranties are not transferrable, and available to the original purchaser only, however if you do buy a 034Motorsport part second hand and have a problem with it, do contact us as we can typically arrive at a reasonable, fair solution.