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.