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2019 Porsche 911 991 GT3 Coupe H6 4.0L

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2019 Porsche 911 991 GT3 Coupe H6 4.0L Performance Software & Tuning

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APR ECU Upgrade - 4.0L GT3 (991.2)

ES#4487639 - ECU-40L-9912-GT3 - APR ECU Upgrade - 4.0L GT3 (991.2) - Max gains of +33-69 WHP and +37-52 WFT-LBS depending on octane - APR - Porsche

Max gains of +33-69 WHP and +37-52 WFT-LBS depending on octane Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4487639
Mfg#:
ECU-40L-9912-GT3
In Stock
ON SALE! SAVE 20%
$2499.99

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

$1999.96 USD
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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