Fabspeed Audi RS5 (B9) XperTune Performance Software (2018+)

Fabspeed Audi RS5 (B9) XperTune Performance Software (2018+)

Marsoni

M251S

$1097.97

Get it in 3 business days with 1 day shipping. Friday, May 29

Fabspeed Audi RS5 (B9) XperTune Performance Software (2018+)SKU: AUD. RS5. ECU Fabspeed Audi RS5 (B9) XperTune Performance Software (2018+) Boost your 2018+ Audi RS5 B9 2. 9L V6 engine to 510 WHP and 576 TQ from stock 450 WHP and 443 TQ with Fabspeed XperTune ECU software. This upgrade reprograms sensor inputs air fuel ratios and boost pressure for stronger horsepower torque and sharper driving response. It fits all RS5 B9 models while preserving everyday drivability and long term reliability. Key Features

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

The shoes that were delivered showed signs of wear. Not sure if this was a used pair or a display pair but this should have been caught from the beginning. I would normally return them, but will be out of the country for the next month and don’t have the time. Unacceptable quality control from the official cole haan store front.

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Reviewed in the United States on June 4, 2026

Verified Purchase

Scott C.

Los Angeles, US

★★★★★ 5

Great shoe

Size: 10, Color: Optic White/Natural Vachetta

Great looking and super comfortable

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Reviewed in the United States on March 30, 2026