INTERACTIVE TUNE DATA
Real data from our Audi B9 S5 builds. Below you’ll find dyno pulls, boost logs, and performance metrics from every stage of our tuning journey — from stock to 650+ HP. Use this data to compare tunes, plan your own build, or just nerd out on the numbers.
STAGEPlatform: B9 S5 3.0T (EA839)
Tuner: APR | Peak HP: 440 | Peak TQ: 460 lb-ft
Boost: 22 PSI | Fuel: 93 Octane | Mods: APR catted downpipes, APR TCU flash, IE intake. Adding the downpipes and TCU tune opened up noticeably faster shifts and better spool. This is the sweet spot for a reliable daily with real pull.
STAGE 3: APR DTR 8868 BIG TURBO
Platform: B9 S5 3.0T (EA839)
Tuner: APR | Peak HP: 650+ | Peak TQ: 580+ lb-ft
Boost: 28+ PSI | Fuel: E50 blend | Mods: APR DTR 8868 turbo, upgraded HPFP, port injection, IE intercooler, 034 Motorsport mounts, ROWE oil. The full send. This is where the B9 S5 becomes a completely different animal. Track-tested and street-driven. Watch the full build series on our YouTube channel.
All data logged on our in-house equipment. Numbers may vary based on conditions, fuel quality, and altitude. Want to see these pulls in action? Check out our YouTube channel for full dyno videos and data overlays. 1: APR ECU TUNE
Platform: B9 S5 3.0T (EA839)
Tuner: APR | Peak HP: 395 | Peak TQ: 412 lb-ft
Boost: 19.5 PSI | Fuel: 91 Octane | Mods: Stock hardware, APR ECU flash only. Our first step off stock. Clean power delivery with no hardware changes required. Great daily setup.