Audi A4/S4 B9

LEADING FEATURES ProCore catalyst -No check engine light High-flow design -Supports Stage 2 & hybrid turbo power Incre...

iE SPEC JE Forged Pistons To complement the strength of our iE Tuscan I-Beam connecting rods for the Audi B9 3.0T EA839 engine, we have collaborate...

LEADING FEATURES Improved Handling -When combined with iE rear sway bar Adds Grip & Stability -Corner faster w...

LEADING FEATURES Reduced Body Roll -Body stays flat and stable through turns Defeat Understeer -Corner faster and w...

. LEADING FEATURES Street and track ready -Provides tight, responsive handling Versatile -Easy adjustments perfect an...

LEADING FEATURES Street & track ready -Provides tight, responsive handling Standard or Extreme -Any ride height...

LEADING FEATURES Say it loudly -Aggressive, yet refined exhaust note DroneTrap Technology -Proprietary no-drone resonator La...

iE 4-BAR MAP SENSOR UPGRADE FOR AUDI 3.0T & 4.0T engines Take your boost pressure readings to the next level with the iE 4-Bar MAP Sensors, bu...

LEADING FEATURES Ethanol sensor kit for iE B9/B9.5 2.0T TrueFlex Tunes Complete sensor and sensor harness kit Reliable real-time ethanol content r...

The Pure750 Hybrid Turbo will easily transform your Audi B9 S4, S5, or SQ5 from quick to ridiculously fast. Your stock B9/B9.5 3.0T turbo engine pr...

LEADING FEATURES Plug-&-play kit for iE B9 3.0T & 2.9TT TrueFlex Tunes Includes everything needed to install Reliable real-time ethanol co...

EASY HPFP INSTALL Upgrading your factory Audi B9/B9.5 S4, S5, or SQ5 HPFP internals with higher flow fuel pump internals to support higher ethanol ...

LEADING FEATURES Innovative mobile tuning for an easy install Thrilling power and acceleration gains 91, 93, & E85 optimized ...

When advancing to the next tune stage, you only pay the difference in tune cost with no hidden fees. IE Credits are the simple currency used to p...

The Bapmic Variable Timing Solenoid is a replacement for the OEM unit (part number 06E103697AE) in many Audi and VW models. It controls oil flow to...

Milltek Active Valve Control Exhaust