2022+ Audi S3 Performance Upgrades, ECU & TCU Tuning, Intakes, Intercoolers & Exhaust Systems

Software & Tuning

APR’s software and tuning solutions deliver refined performance engineering—precision ECU and TCU calibrations, along with inline modules, that elevate power, transmission response and driving dynamics while maintaining the integrity of your European vehicle’s factory systems.
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Engine

APR’s Engine Hardware delivers true performance engineering—meticulously crafted intake systems, turbocharger upgrades and support components built to integrate with calibration upgrades and boost your vehicle’s breathing, response and power delivery on VW, Audi, Porsche and other European platforms.
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Suspension and Mounts

APR’s Suspension & Mounts collection embodies European performance engineering — purpose-built coil-overs and hardware that refine ride height, minimise deflection and enhance chassis balance. Designed for precise integration, sharper control and enduring quality on VW, Audi and Porsche platforms.
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Wheel and Accessories

APR wheels merge motorsport engineering with streetcraft — flow-formed and forged alloy constructions deliver reduced unsprung weight, optimized strength and OEM-plus fitment for Volkswagen Group performance vehicles.
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Cosmetics and Gear

Show of your APR Pride!
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APR ECU UPGRADE

Delivers up to 398-442 HP with 385-430 FT-LBS (Stage 1)
Delivers up to 410-455 HP with 389-436 FT-LBS (Stage 2)
Max gains of +64-112 HP and +76-118 FT-LBS at the wheels (Stage 1)
Max gains of +74-123 HP and +80-125 FT-LBS at the wheels (Stage 2)
Supports 91 AKI, 93 AKI, 100 AKI, 104 AKI, and E60-E85 fuel grades (Stage 1 & 2) (NAR)
Ethanol support with no additional hardware required (Stage 1 & 2)
Factory term limit matching limited powertrain warranty (APR Plus)
Makes more power with more mods without a new reflash
Makes more torque with our TCU upgrade
Standing RPM soft limiter increased
Left-foot braking / brake boosting added
Speed limiter removed
Auto Start/Stop defaults to your last picked option
Properly rescaled performance gauges
Properly rescaled boost gauge
Linear throttle mapping
Flat torque mapping
Optional torque limited mapping available for manual transmissions
ECO mode limits output to further promote fuel savings

Open Airbox Design
Washable and reusable high-flow pleated cotton gauze filter
20% larger than stock filter with frontal inlet and 127mm (5”) outlet
127mm (5”) filter transition is 260% larger than stock
Filter outlet stack increases air velocity to maximize flow
Filter flows 22% more than stock
Minimal twists and bends further maximizes flow
Less strain on factory components compared to stock
Better throttle and turbo response compared to stock
Straight through design with no sharp or harsh bends and restrictions
Airbox design captures frontal inlet air and reduces suction from engine bay and radiator
Enhanced engine and turbocharger sounds
Simple and easy install
Supports both MAF and non-MAF engines