Audi A4 Quattro B5 1.8T - Eurodyne Maestro Tuning Suite - With Powertap Air Flash Tool: Ideal For Shops And Enthusiasts Looking To Recalibrate ...

APR Stage I Performance Chip - 1 Program : Gains Up To 15HP & 14TQ On 93 Octane For Audi

APR Stage I Performance Chip - 1 Program: Gains Up To 64Hp --- 265Hp/327Lb-Ft (93 Octane) For Audi

Audi A4 Quattro B5 1.8T - Schwaben By Foxwell Professional VW/Audi Scan Tool: Developed For VW/Audi Vehicles. Has Many OE-Level Diagnostics ...

Unitronic Performance Software - Flashed @ ECS: Choose The Stage That Meets Your Power Goals! For VW, Audi

APR Stage I Performance Chip - Fully Loaded: Ultimate ECU Upgrade For 3.0TDI For Audi

APR Stage I Performance Chip - 1 Program - Chip & Ship: Gains Up To 24Hp, 444Hp/357Lb-Ft (93 Octane) For Audi

Integrated Engineering Stage 1 IE Performance Tune - Includes DSG Tune: Average Gain Of 68 Horsepower And 111 Lb-Ft Of Torque For VW, Audi

APR Stage I Performance Chip: Gains Up To 59Hp, 583Hp/431Lb-Ft (93 Octane) For Audi

Audi A4 Quattro B5 1.8T - Tunezilla Stage 1: Average Gain Of 38 Horsepower And 69 Lb-Ft Of Torque On 91 Octane @ 18 PSI

034Motorsport Dynamic+ Performance Software Package - 2.0T Gen 2: Unleash The Full Potential Of Your Car! For Audi

034Motorsport Dynamic+ Performance Software Package - EA888.4: Unleash The Full Potential Of Your Car! For VW, Audi

034Motorsport Dynamic+ Performance Software Package - 2.5TFSI EVO: Unleash The Full Potential Of Your Car! For Audi