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034-603-0008 - 034Motorsport X-Brace Billet Aluminum Chassis Reinforcement


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Part #: 034-603-0008
Your Price: $495.00

All Fitments

AUDI
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2009 - 2016 A4 ALL ALL ALL ALL ALL ALL
2009 - 2016 A4 QUATTRO ALL ALL ALL ALL ALL ALL
2008 - 2016 Q5 ALL ALL ALL ALL ALL ALL
2013 - 2016 RS5 ALL ALL ALL ALL ALL ALL
2010 - 2016 S4 ALL ALL ALL ALL ALL ALL
2008 - 2016 S5 BASE
PREMIUM PLUS
PRESTIGE
ALL ALL ALL ALL ALL
2008 - 2016 SQ5 ALL ALL ALL ALL ALL ALL

Product Description

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, and Q5/SQ5! 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.

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 – Present Audi A4 (B8/B8.5)
All LHD Models
2010 – Present Audi S4 (B8/B8.5)
All LHD Models
2013 – Present Audi RS4 (B8/B8.5)
All LHD Models
2008 – Present Audi A5 (B8/B8.5)
All LHD Models Except Cabriolet
2008 – Present Audi S5 (B8/B8.5)
All LHD Models Except Cabriolet
2013 – Present Audi RS5 (B8/B8.5)
All LHD Models Except Cabriolet
2008 – Present Audi Q5/SQ5 (B8/B8.5)
All LHD Models

Replaces:

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

Please Note:

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 below.

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