Spherically adjustable MQB rear axle trailing arm set Audi RS3 S3 A3 8V Golf Mk7 Seat Leon 5F
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Anti-squat suspensions are used to reduce body sag. For this purpose, the rear suspension is modified so that the forces generated by acceleration are transmitted via the wishbones and suspension rods and not via the coilover suspension or spring struts.
With the MQB rear suspension, we can define our anti-squat by the slope of a line connecting the center of the wheel and the chassis mounting point of the trailing arm. Most vehicles are lowered with aftermarket suspension components. In the picture below, the vehicle is lowered and the OEM control arm (and our 0 setup) in the MQB vehicle has a downward pointing anti-squat line (red line). This means that the vehicle has a negative anti-squat value. This leads to excessive suspension shift when accelerating and reduces responsiveness.
Help video: ani-squat -> Anti-Squat Suspension Geometry - Explained
To correct this, we have developed an adjustable rear trailing arm. When the control arm is used in the car in setting 20, the anti-squat value (green line) is corrected and the vehicle is reset to the factory settings.
If the wishbone is used in the 40 setup, the anti-squat value (blue line) increases. As a result, the suspension moves even less, which leads to a faster reaction of the vehicle from a standstill or when exiting a corner. Camber and toe are also less affected with less spring movement (better predictability of the vehicle).
Increasing the anti-squat value also increases the rear anti-lift value. This keeps the rear suspension low when braking, which improves the grip and predictability of the vehicle. This allows you to brake later and enter the bend at a higher speed and with more safety.
Product functions:
- 3-way adjustable anti-squat and anti-lift setting (0, 20, 40)
- The OEM control arm bends during normal operation. This bending increases when the vehicle is lowered or camber/track is increased. Our CNC-milled control arm is equipped with spherical bearings to prevent this. The significantly increased stiffness also leads to better handling when exiting corners and accelerating.
- High-quality metal spherical plain bearings instead of rubber bushings so that the set geometry is retained during alignment.
- Same weight as the OEM in terms of additional functions
Features:
- This is a bolt-on kit, no modifications to the vehicle are required.
- The control arm is supplied pre-assembled.
- CNC-machined control arm made from billet aluminum.
- TIG-welded high-strength steel brackets.
- Brackets for the parking brake line.
- Includes all necessary parts for mounting on the vehicle.
Scope of delivery:
- two black anodized aluminium wishbones with spherical plain bearings
- two adjustable steel suspension brackets in black
- two adjustable steel trailing arm supports in black
- screws
- printed installation instructions
Used in vehicles (type numbers in brackets):
2021 - today Audi A3/S3/RS3 (8Y)
2012 - 2020 Audi A3/S3/RS3 (8V)
2012 - 2021 Audi TT/TTS/TTRS (8S)
2012 - 2020 Volkswagen Golf/GTI/R (Mk7 Mk8)
2012 - 2020 Seat Leon (5F)
Replaced:
- 5Q0 505 223 D / 5Q0505223D
- 5Q0 505 224 D / 5Q0505224D
Note:
Only available for off-road, racetrack and racing applications. The installation of this rear axle trailing arm kit leads to an additional transmission of noise, vibrations and roughness into the interior.
Unless otherwise indicated, all articles and services are racing articles without guarantee / warranty and without STVO approval.
The same applies to modifications made to the vehicle. The performance values offered are average values on ARAL 102 OKTAN fuel, which may deviate accordingly due to inferior fuel or wear on the vehicle.
No acceleration times are guaranteed. Subsequent misfueling may cause damage to the vehicle. No guarantee / warranty is assumed for this!
HPerformance does not assume any mobility warranty / costs for the duration of the conversion or any resulting delays.
Scheduled appointment periods are not binding and may vary.
All services are special and custom-made products that are excluded from the statutory right of return.
No warranty is assumed for products that are not installed in a specialist workshop by trained specialist personnel.
Work on motor vehicles may only be carried out by trained specialists. In addition to product malfunctions, installation errors can also lead to dangerous technical and possibly legal consequences for the vehicle.
Therefore, please have all conversions carried out by a specialist vehicle workshop of the guild.
If no instructions for installing a product are available for download in the online store, these are not available
- No installation advice / installation instructions are provided by telephone.
If vehicles have already been modified beforehand, additional costs may be incurred. Please note that our TÜV-approved/registrable products are not necessarily compatible with products from other manufacturers ! Please check in advance whether your already installed hardware parts, which are not from HPerformance, are TÜV-compliant with our products!
Discoloration occurs on the silencers, pipe and tailpipe of all exhaust system components during operation. These are material-related changes that are not covered by the warranty/guarantee of the item and have no negative effect on the use or technical properties of the item.
