Audi B6 A4 Quattro 1.8T APR Stage 1+ Software

Does not include injectors - Gains of up to 55 HP & 100 LB-FT torque on 93 octane! Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For existing Stage 1 customers upgrading to Stage 1+. Drive your vehicle to our location

Brand:

ES#:

2918519

Mfg#:

B6A4STG1UPGRDKT

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$150.00

This product was last offered at the strikethrough price on
09-28-2026

$135.00 USD

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Lifetime Replacement