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Audi A4 APR Stage 1 Software

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Stage 1 Performance Chip - With Program Switching (Fully Loaded)

ES#5237 - 20TSTG1CHIP-4 - Stage 1 Performance Chip - With Program Switching (Fully Loaded) - Average gain of 40 HP & 75 LB-FT torque on 93 octane program! - APR - Audi

Average gain of 40 HP & 75 LB-FT torque on 93 octane program! Call In Or Chat For Best Price!
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
5237
Mfg#:
20TSTG1CHIP-4
In Stock
ON SALE! SAVE 20%
$749.98

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

$599.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Performance Chip - 1 Program

ES#5235 - 20TSTG1CHIP-1 - Stage 1 Performance Chip - 1 Program - Average gain of 40 HP & 75 LB-FT torque on 93 octane program! - APR - Audi

Average gain of 40 HP & 75 LB-FT torque on 93 octane program! Call In Or Chat For Best Price!
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
5235
Mfg#:
20TSTG1CHIP-1
In Stock
ON SALE! SAVE 20%
$599.99

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

$479.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage I Performance Chip - Fully Loaded

ES#514200 - B820TSTG1CHIP-4 - Stage I Performance Chip - Fully Loaded - Gains up to 64Hp --- 265hp/327lb-ft (93 octane) - APR - Audi

Gains up to 64Hp --- 265hp/327lb-ft (93 octane) Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Up to the 2012 model year.

Brand:
APR - Corporate Logo
ES#:
514200
Mfg#:
B820TSTG1CHIP-4
In Stock
ON SALE! SAVE 20%
$499.99

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

$399.92 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage I Performance Chip - 1 Program

ES#514197 - B820TSTG1CHIP-1 - Stage I Performance Chip - 1 Program - Gains up to 64Hp --- 265hp/327lb-ft (93 octane) - APR - Audi

Gains up to 64Hp --- 265hp/327lb-ft (93 octane) Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Up to the 2012 model year.

Brand:
APR - Corporate Logo
ES#:
514197
Mfg#:
B820TSTG1CHIP-1
In Stock
ON SALE! SAVE 20%
$399.99

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

$319.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage I Performance Chip - 1 Program

ES#2792684 - B8.520TSTG1CHP-1 - Stage I Performance Chip - 1 Program - Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85 - APR - Audi

Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85 Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
From the 2013 model year.

Brand:
APR - Corporate Logo
ES#:
2792684
Mfg#:
B8.520TSTG1CHP-1
In Stock
ON SALE! SAVE 20%
$399.99

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

$319.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage I Performance Chip - Fully Loaded

ES#2792692 - B8.520TSTG1CHP-4 - Stage I Performance Chip - Fully Loaded - Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85 - APR - Audi

Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85 Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
From the 2013 model year.

Brand:
APR - Corporate Logo
ES#:
2792692
Mfg#:
B8.520TSTG1CHP-4
In Stock
ON SALE! SAVE 20%
$499.90

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

$399.92 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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