Audi S4 APR Drivetrain Software

Tuning your vehicle with APR Software has never been easier thanks to the APR Ultralink! Call In Or Chat For Best Price!
Only available for purchase in the United States and Canada.

Brand:

ES#:

4759009

Mfg#:

EM100040

Optimize the driving experience with performance tuning software for your vehicle's Transmission Control Unit (TCU). Call In Or Chat For Best Price!
This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne

Brand:

ES#:

4715771

Mfg#:

TCU-AL552

ON SALE! SAVE 20%

$599.99

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

$479.96 USD

Add to Cart

Lifetime Replacement

Enhanced launch control, optimized shift points, and much more! Call In Or Chat For Best Price!
*For models with 7-Speed S-Tronic (DL501) Transmission* - Direct-Port only - This upgrade requires the v

Brand:

ES#:

4070800

Mfg#:

DPP-DL501-3.0T

ON SALE! SAVE 20%

$499.99

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

$399.96 USD

Add to Cart

Lifetime Replacement

Enhanced launch control, optimized shift points, and much more! Call In Or Chat For Best Price!
*For models with 7-Speed S-Tronic (DL501) Transmission* This upgrade requires the vehicle to be dropped o

Brand:

ES#:

2975802

Mfg#:

DPP-DL501-40TKT

ON SALE! SAVE 20%

$499.99

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

$399.96 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Upgraded Launch control, higher shift points and quicker shifts Call In Or Chat For Best Price!

Brand:

ES#:

2918504

Mfg#:

DPPDL50130TKT

ON SALE! SAVE 20%

$1105.99

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

$884.78 USD

Add to Cart

Free Shipping

Lifetime Replacement