Cedar PerformanceECU / DME tuning
Blue Audi RS Q8 in a rear three-quarter view on a wet riverside road

Audi 4.0 TFSI V8 twin-turbo calibration

2021 Audi RSQ8 Tune

$800

Stage 1: 91 or 93 octane gasoline. Stock hardware. Stage 2: 91 or 93 octane gasoline. Upgraded Exhaust.

Stages2
Pricing$800
Power target680 HP / 679 lb-ft
Platform4.0 TFSI V8 twin-turbo 4M
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Tune selection

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Selected tuneStage 1
Price$800
Power target680 HP / 679 lb-ft
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91 or 93 octane gasoline. Stock hardware.

Continue with Stage 1

Power target comparison

Power Targets

2021 Audi RSQ8 4.0 TFSI V8 twin-turbo power target dyno sheet Cedar Performance Power Target Comparison 0 0 100 100 200 200 300 300 400 400 500 500 600 600 700 700 800 800 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 591.00 590.00 680.00 679.00 709.00 708.00 6.430 Stock · 591.00 HP @ 6.43k 590.00 lb-ft @ 2.95k Power (hp) Torque (lb-ft) Engine RPM (rpmx1000) 2021 Audi RSQ8 · 93 AKI · Illustrative engine-output curves
CalibrationHPlb-ft
STOCK Performance591590
Stage 1 CedarTUNE680679
Stage 2 CedarTUNE709708

Illustrative engine-output curves using Unitronic pump-gas dyno contours scaled to these Cedar targets. Stage 2 shares the available reference contour. 93 AKI gasoline; not a measured Cedar dyno run.

Stock reference · Supporting reference 1 · Supporting reference 2