Audi A3 S3 RS3 8V
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A3 8V
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// MQB with a five-cylinder crown

Audi A3 S3 RS3 8V

The 8V moved the A3 family onto MQB and gave the tuning world two of its favourite engines: the EA888 Gen3 in the S3 and the 400hp 2.5 TFSI in the RS3. Both respond to software and hardware like few rivals.

Downpipes & exhaustsIntercoolersIntakes & inletsTurbo upgradesCoilovers & suspensionBrakesECU & DSG tuningStyling
Chassis8V MQB
EnginesEA888 2.5 TFSI
Production2012 - 2020
LayoutFWD / quattro
A31.8 / 2.0 TFSI
2012-2020 EA888 Gen3 180-190hp
Shares MQB hardware with the Mk7 GTI - intakes, intercoolers and suspension cross over.
S3S3 8V
2013-2020 EA888 300-310hp
Mechanically a Mk7 Golf R in a sharper suit - IS38 hardware and maps apply directly.
RS3RS3 8V
2015-2020 2.5 TFSI 367-400hp
The DAZA/DNWA five-cylinder is a monster: Stage 1 ~470hp, big-turbo builds past 700.
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// The platform

Two engines, two legends

The 8V is really two tuning stories. The S3 is a Mk7 Golf R underneath - same EA888, same IS38, same 400hp-on-a-hybrid path, with every MQB part proven twice over. The RS3 is the special one: the 2.5 TFSI five takes a simple map to around 470hp, bolt-ons to 500+, and has become the base for four-figure drag builds worldwide. Between them sits a huge, mature catalogue - this is one of the best-supported platforms we sell for.

The proven upgrade path

01
Stage 1
Map only - S3 to ~360hp, RS3 to ~470hp on pump fuel.
02
Stage 2
Downpipe, intercooler and intake with a matched map - the everyday quick spec for both.
03
Turbo step
Hybrid IS38 for the S3; the RS3's stock turbo runs to ~550 before big singles take over.
04
Chassis
Coilovers, ARBs and geometry - quattro traction means the limit arrives later, but it arrives.
// In-house ECU tuning
In-house ECU tuning for the EA888 & 2.5 TFSI
Stage 1-3 and custom mapping for the EA888 & 2.5 TFSI, all done in-house - the map to match the hardware above.
Explore ECU tuning →

8V - frequently asked

Do Golf R parts fit the S3?

Extensively - the S3 8V and Mk7 Golf R share the MQB platform and EA888/IS38 drivetrain. Exhausts and styling are body-specific; engine and chassis hardware largely interchanges.

Pre-facelift or facelift RS3 - does it matter?

Yes: the pre-facelift DAZA makes 367hp, the facelift 400hp, with small hardware differences. Both tune superbly; listings state which variant they fit.

How much can the RS3 make?

Around 470hp on a map, 500-550 with bolt-ons on the stock turbo, and the sky beyond that - the 2.5 TFSI is one of the strongest production engines of its era.

Do you offer ECU tuning in-house?

Yes - Stage 1-3 and custom ECU mapping are done fully in-house. We don't currently offer parts fitting, but we're happy to advise on your install.

// Browse the range

8V parts by category

8V Downpipes & exhausts→8V Intercoolers→8V Intakes & inlets→8V Turbo upgrades→8V Coilovers & suspension→8V Brakes→8V ECU & DSG tuning→8V Styling→