Tuning the 159 for more bhp power and 159 performance increase.

CR3 Diesel Tuning Chip For: Mitsubishi Outlander 2.2 (2179cc) DI-D 154 BHP/PS 113 KW

ALFA ROMEO Diesel Performance Tuning Box Remap Chip 156 159 1.9 2.0 JTD JTDM

Would a performance air intake increase horsepower or will the car just sound different?

Alfa Romeo 159 (2005) - pictures, information & specs

33% torque with Stage 1 ECU Remap on Alfa Romeo 159 2.0 JTDM 170 bhp (2006-2011)

CHIP TUNING BOX 120 ALFA ROMEO 159 1.75 TBI 200KM

Alfa 159 on show in Frankfurt

Alfa Romeo 159 1.8 MPI - ECU Chip Tuning Box – Wizardchips™

Alfa Romeo 159 - Wikipedia