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2018 Porsche 911 991 Turbo S Coupe H6 3.8L

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2018 Porsche 911 991 Turbo S Coupe H6 3.8L Performance ECU Software / Tuning

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17-19 991.2 Turbo / Turbo S Cobb Accessport

ES#3988265 - AP3-POR-012 - 17-19 991.2 Turbo / Turbo S Cobb Accessport - Stage 2 potential up to 38% HP and 38% TQ Gains with 93 Octane! - CobbTuning - Porsche

Stage 2 potential up to 38% HP and 38% TQ Gains with 93 Octane! CARB certified for sale in all 50 states

Brand:
CobbTuning - Corporate Logo
ES#:
3988265
Mfg#:
AP3-POR-012
EO#:
D-660-70
Ships in 2 Business Days
ON SALE! SAVE 10%
$2860.00

This product was last offered at the strikethrough price on
08-17-2026

$2574.00 USD
Free Shipping
on orders $49 and up

RaceChip GTS Black

ES#4339400 - 917495 - RaceChip GTS Black - Get up to +55 hp and +89 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Porsche

Get up to +55 hp and +89 lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339400
Mfg#:
917495
Ships in 3 Business Days
$799.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip GTS Black With App Control

ES#4339401 - 917496 - RaceChip GTS Black With App Control - Get up to +55 hp and +89 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Porsche

Get up to +55 hp and +89 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339401
Mfg#:
917496
Ships in 3 Business Days
$849.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Weistec Porsche 911 2017-2019 Turbo & Turbo S (991.2) W.1 ECU Tune

ES#4732862 - 05-038-00195-1KT - Weistec Porsche 911 2017-2019 Turbo & Turbo S (991.2) W.1 ECU Tune - Increase of +110 Horsepower, and +119 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! - Weistec - Porsche

Increase of +110 Horsepower, and +119 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!

Brand:
Weistec - Corporate Logo
ES#:
4732862
Mfg#:
05-038-00195-1KT
In Stock at Vendor
$3099.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Weistec Porsche 911 2017-2019 Turbo & Turbo S (991.2) W.2 ECU Tune

ES#4732863 - 05-038-00196-2KT - Weistec Porsche 911 2017-2019 Turbo & Turbo S (991.2) W.2 ECU Tune - Increase of +130 Horsepower, and +134 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts! - Weistec - Porsche

Increase of +130 Horsepower, and +134 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!

Brand:
Weistec - Corporate Logo
ES#:
4732863
Mfg#:
05-038-00196-2KT
In Stock at Vendor
$3299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance ECU Software / Tuning

Add power and performance with special ECU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.

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

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