JB4 Tuner for 2025+ Audi B10 S5 SQ5 3.0L EA839 s5tuning aggressive sound with increased supercharger

aggressive sound with increased supercharger whine

Power gains of up to 100whp peak and 220whp under the curve

Replaces OEM BMW part # 13717602651 Filtered air pipe

S 63 E Performance (W223) with the 4

JB4 Tuner for 2025+ Audi B10 S5 SQ5 3.0L EA839 s5tuning aggressive sound with increased superchargerPower gains of up to 70HP The JB4 PRO is the newest, most advanced and highly featured tuning system available for your 2025 Present B10 powered Audi. Power gains are up to 70hp to the wheels (85hp crank) on a completely stock car on pump gas, gains with bolt on parts, higher octane, E85 mixtures are even higher. The JB4 features a simple plug and play installation harness for easy installation & removal and includes many features not found with any