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The HPerformance 4 inch - 101.6mm exhaust system is not only designed to achieve an unprecedented sound on the 2.5 TFSI, but also to reproduce every technically possible performance from the point of view of exhaust back pressure. This system can easily cope with any feasible power output, even well over 1000 hp, without hissing as a result of possible exhaust pressure blockage. There is a balance between exhaust back pressure and actual possible power. Above a certain output (from 650 hp with the original exhaust system), the exhaust back pressure increases and the efficiency or power output decreases in equal measure - but not with our 101.6 mm exhaust system.
Our 4 inch - 101.6mm exhaust system produces a sound that is very different from that of an 88.9mm - 3.5 inch exhaust system. The sound is fundamentally much duller and more powerful - and thanks to our specially developed center silencer, it is simply fun to enjoy every operating condition. That's what you hear:
1. close the flap: The system does not drone at all, it is at the same volume level as an original exhaust system, without even a hint of droning.
2nd flap open: The sound suddenly becomes deep, muffled, unimaginably voluminous, an unknown sound pattern emerges on the TTRS / RS3 / RSQ3 / VZ. Under full throttle, the vehicles sound like their 5-cylinder rally and IMSA GTP ancestors, beastly and simply good!
If the exhaust system is to be supplied with ECE approval, our ECE flap module and the "Street" version must be ordered, as the exhaust system is otherwise not legal. When ordering, please note that ECE documents and type plates will only be supplied or welded on in this case.
Note: Please be aware that visual changes to tailpipe trim, particularly discoloration, loss of luster, or changes to paint finishes and coatings, may result from heat, weather, winter use, road salt, cleaning agents, and general wear and tear. Such changes resulting from use and material properties do not constitute a material defect, provided that the technical function of the exhaust system is not impaired.
This is the difference between STREET (ECE approval) and the RACE exhaust system:
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 figures provided are averages based on ARAL 102 OCTANE fuel; they may vary depending on the use of lower-quality fuel or wear and tear on the vehicle.
No acceleration times are guaranteed. Using the wrong type of fuel at a later date may cause damage to the vehicle. No warranty or guarantee is provided for this!
HPerformance assumes no liability for mobility guarantees or costs incurred during the modification period, nor for any resulting delays.
Scheduled timeframes are not binding and may vary as needed.
All services are custom-made and one-of-a-kind products that are excluded from the statutory right of return.
No warranty is provided for products that are not installed in a specialized workshop by trained professionals.
Work on motor vehicles may only be performed by trained professionals. Installation errors can lead not only to product malfunctions but also to dangerous technical and, in some cases, legal consequences for the vehicle.
Therefore, please have all modifications performed by a certified automotive repair shop affiliated with the trade guild.
If installation instructions for a product are not available for download in the online store, they are not available.
- Installation advice or instructions are not provided over the phone.
If vehicles have been modified previously, additional costs may apply. Please note that our TÜV-approved/registrable products are not necessarily compatible with products from other manufacturers for registration purposes ! Please verify in advance whether any hardware components you have already installed—that are not from HPerformance—can be registered as TÜV-compliant when used 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.
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