MK8 Fiesta ST Stage 1 Custom Tuning - Wayside Performance
    MK8 Fiesta ST Stage 1 Custom Tuning - Wayside Performance
MK8 Fiesta ST Stage 1 Custom Tuning - Wayside Performance
MK8 Fiesta ST Stage 1 Custom Tuning - Wayside Performance
    MK8 Fiesta ST Stage 1 Custom Tuning - Wayside Performance
MK8 Fiesta ST Stage 1 Custom Tuning - Wayside Performance

Audi S3 8Y Stage 1+ Remap — 420–430bhp (EA888 Gen 4)

Regular price
£599.00
Sale price
£599.00
Regular price
WP Stage 1+ — 420–430bhp / up to 550Nm Stage 1+ is the maximum we can safely extract from the S3 8Y while keeping the car fully ...  Read more

WP Stage 1+ — 420–430bhp / up to 550Nm

Stage 1+ is the maximum we can safely extract from the S3 8Y while keeping the car fully road legal. By pairing our Stage 1+ calibration with an upgraded intercooler and performance intake system, we deliver 420–430bhp and up to 550Nm — all with the factory OPF still in place.

The intercooler is the key unlock here. The stock unit can't keep intake temps consistent at higher boost levels, especially on warmer days or during repeated hard use. The intake upgrade improves airflow into the Continental turbo, letting it spool more efficiently. Together with a revised calibration, they open up a genuine step in performance while keeping the car road legal and MOT compliant.

What's included: Custom dyno calibration with before & after printout

Hardware required: Upgraded intercooler · Performance intake system

Essential: DSG calibration (add-on)

Recommended: Turbo inlet pipe (included in R600 bundle, sold separately for other intakes) · 99 RON fuel

📖 Read our full Audi S3 8Y Tuning Guide →

Workshop install or WPFlasher remote tuning available. 99 RON fuel recommended for optimal results.

DSG Tune: No (Just engine tune)
Installation method: Workshop install (includes dyno printout)
Quantity: 1
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WP Stage 1+ — 420–430bhp / up to 550Nm

Stage 1+ is the maximum we can safely extract from the S3 8Y while keeping the car fully road legal. By pairing our Stage 1+ calibration with an upgraded intercooler and performance intake system, we deliver 420–430bhp and up to 550Nm — all with the factory OPF still in place.

The intercooler is the key unlock here. The stock unit can't keep intake temps consistent at higher boost levels, especially on warmer days or during repeated hard use. The intake upgrade improves airflow into the Continental turbo, letting it spool more efficiently. Together with a revised calibration, they open up a genuine step in performance while keeping the car road legal and MOT compliant.

What's included: Custom dyno calibration with before & after printout

Hardware required: Upgraded intercooler · Performance intake system

Essential: DSG calibration (add-on)

Recommended: Turbo inlet pipe (included in R600 bundle, sold separately for other intakes) · 99 RON fuel

📖 Read our full Audi S3 8Y Tuning Guide →

Workshop install or WPFlasher remote tuning available. 99 RON fuel recommended for optimal results.

We keep a large inventory of stock at our warehouse however due to widespread delays in the industry, some items may be on backorder. If you need parts ASAP then please contact us on the live chat or at support@wayside-performance.co.uk and a member of our team will get back to you.

Unsure on fitment? Just drop us a message on the live chat or support@wayside-performance.co.uk and a member of our team will assist. Please make sure to include as much detail as possible including make, model, registration and the parts you are looking at.

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