Audi B9 S4/S5/SQ5 401 HP Stage 1 Performance Controller part-category-spoiler Every product is developed with

Every product is developed with attention to detail

IN STOCK & READY TO SHIP - 3 UNITS AVAILABLE AS OF 7/01/2026

Durable & Precise: Built with high-strength materials and engineered for long-lasting performance under aggressive driving conditions

aggressive lower openings

Audi B9 S4/S5/SQ5 401 HP Stage 1 Performance Controller part-category-spoiler Every product is developed withFuel Type Power Type Condition Horsepower (HP) Torque (TQ) 93 Octane Calculated Flywheel Power OEM Stock 357 HP 400 TQ Tuned 394 HP 451 TQ Measured Wheel Power OEM Stock 293 HP 328 TQ Tuned 323 HP 370 TQ 100 Octane Calculated Flywheel Power Tuned 401 HP 454 TQ Measured Wheel Power Tuned 329 HP 372 TQ The CarBahn Performance Controller (CPC) is an easy to install electronic control unit (ECU) that significantly boosts the turbocharged cars' horsepower