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X-Brace Billet Aluminum 034Motorsport, Audi B8/B8.5 and Porsche Macan 95B
Billet T6-6061 aluminum front subframe brace, CNC machined, replacing the original stamped steel bar. Improves torsional rigidity, steering precision and body stiffness in corners. Direct fit on LHD vehicles only, excluding Convertible.
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Available from the manufacturer
1 in stock at factory
Expected delivery to you on Oct 21, 2026
This lead time is an estimate and may change due to circumstances beyond our control
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Internally machined billet 6061-T6 aluminum front subframe brace, designed to replace the original stamped sheet metal bar and reduce chassis flex under load.
- Replaces OEM part numbers: 8T1399345J and 8K1399345E
- Direct fit, reversible, installation in a few minutes
- Weight: approx. 3.7 kg vs. 3.5 kg for the original part (negligible impact)
Compatibility: Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5, Allroad B8/B8.5 (2008-2017); Porsche Macan/S/GTS/Turbo 95B (2014-2021).
Points to note:
- LHD (left-hand drive) vehicles only: not suitable for RHD vehicles
- Not suitable for Convertible versions
- On RS5, the plastic underbody shield loses some mounting points due to a different lower body structure
- Use of new stretch bolts recommended (original bolt kits sold separately)
Information provided by the manufacturer and translated from English (USA). We recommend checking technical specifications and compatibility on the manufacturer's website, as certain local specifications may exist on their products.
| Filter by part type | Chassis: Chassis and Suspension Components () |
|---|---|
| Product family: | Chassis |
| Materials: | Aluminum |
| Chassis | Reinforcement bar/Strut brace |
Produit mis à jour le: 2026-09-14 10:28:19