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2015 Porsche 911 991 Turbo S Coupe H6 3.8L

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2015 Porsche 911 991 Turbo S Coupe H6 3.8L Performance ECU Software / Tuning

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14-16 997.1 Turbo Accessport With PDK Flashing

ES#3988355 - AP3-POR-006-PDK - 14-16 997.1 Turbo Accessport With PDK Flashing - Up to 40% HP and 40% TQ Gains on 93 Octane Stage 3 - This comes with PDK Flashing as well to ensure your trans is safe from increased HP! - CobbTuning - Porsche

Up to 40% HP and 40% TQ Gains on 93 Octane Stage 3 - This comes with PDK Flashing as well to ensure your trans is safe from increased HP! CARB certified for sale in all 50 states

Brand:
CobbTuning - Corporate Logo
ES#:
3988355
Mfg#:
AP3-POR-006-PDK
EO#:
D-660-70
In Stock
ON SALE! SAVE 10%
$3390.00

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

$3051.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

14-16 997.1 Turbo Accessport

ES#3988354 - AP3-POR-006 - 14-16 997.1 Turbo Accessport - Up to 40% HP and 40% TQ Gains on 93 Octane Stage 3! - CobbTuning - Porsche

Up to 40% HP and 40% TQ Gains on 93 Octane Stage 3! CARB certified for sale in all 50 states

Brand:
CobbTuning - Corporate Logo
ES#:
3988354
Mfg#:
AP3-POR-006
EO#:
D-660-70
Ships in 2 Business Days
ON SALE! SAVE 10%
$2645.00

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

$2380.50 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 2012-2016 Turbo & Turbo S (991.1) W.1 ECU Tune

ES#4732856 - 05-038-00193-9KT - Weistec Porsche 911 2012-2016 Turbo & Turbo S (991.1) W.1 ECU Tune - Increase of +40 Horsepower, and +37 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 +40 Horsepower, and +37 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#:
4732856
Mfg#:
05-038-00193-9KT
In Stock at Vendor
$3099.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Weistec Porsche 911 2012-2016 Turbo & Turbo S (991.1) W.2 ECU Tune

ES#4732857 - 05-038-00194-0KT - Weistec Porsche 911 2012-2016 Turbo & Turbo S (991.1) W.2 ECU Tune - Increase of +60 Horsepower, and +57 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts! - Weistec - Porsche

Increase of +60 Horsepower, and +57 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#:
4732857
Mfg#:
05-038-00194-0KT
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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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