Exhaust.one exhaust system with flap exhaust for Seat Leon Cupra ST 300HP AWD 5F V2
Product.Nr.: HE-Seat-Leon-Cupra-ST-300PS-AWD-5F-V2
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product description
Product Information "Exhaust.one 3.5" Exhaust System for Seat Leon Cupra ST 300HP AWD 5F V2"
Whether you're a tuning enthusiast with your Seat Leon Cupra ST boasting 300 HP or simply looking for the final touch for your car, our Exhaust.one 3.5" valved exhaust system meets the highest demands. It delivers maximum volume and impresses with its deep, bass-heavy sound. Additionally, our system is 4 kg lighter than the original version.
Features of the Exhaust.one Exhaust System
Maximum Driving Pleasure with 3.5"
Thanks to the large 3.5" pipe diameter, our system delivers the ultimate sound: deep, dominant, and bass-driven.
Registration-Free
Our valved exhaust system comes with an ECE approval, making it registration-free.
Legal Yet Loud
We operate at the edge of legality, ensuring that our system is the loudest registration-free straight pipe on the market.
Unique Sound Profile
The Exhaust.one valved exhaust system offers a confident, dynamic, and captivating sound – all eyes will be on you.
Handcrafted for Precision
Each exhaust system is handcrafted after ordering using TIG welding. The result is a high-quality sport exhaust that looks as good as it sounds.
Intelligent Valve Control
With the included ECE module, you can be sure the valves are always optimally controlled – for a legal and worry-free driving experience.
Important Notes
If you have installed or plan to install other components such as a performance upgrade, intercooler, or intake system, the ECE approval will become void. A new combination approval will then be required.
Technical Details
| Vehicle Manufacturer | SEAT |
| Standard | UN ECE R59 Amendment Series 02 |
| Engine | CJXC |
| HP | 300 |
| Drive | All-Wheel Drive |
| Valves | 2 CNC-milled, maintenance-free valves |
| Pipe Diameter | 89 mm (3.5 inches) |
| Pipe Thickness | 1.6 mm |
| Weight (Exhaust.one) | 14.5 kg |
| Weight (Stock System) | 18.5 kg |
Driving Modes
- ECO: Valves always closed (except above 4500 RPM for exhaust back pressure relief).
- Comfort: Valves always closed (except above 4500 RPM for exhaust back pressure relief).
- Sport: Valves always closed (except above 4500 RPM for exhaust back pressure relief).
- Cupra: Valves open from 0–20 km/h, closed between 20–80 km/h, and reopen above 80 km/h (or above 4500 RPM for exhaust back pressure relief).
Advantages at a Glance
- ✔ 89 mm / 3.5"
- ✔ Straight Pipe
- ✔ Drone-Free
- ✔ Maximum Volume
- ✔ DSG Pops
- ✔ Extremely Lightweight
- ✔ Maintenance-Free CNC Valves
- ✔ 2-Year Warranty
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