Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

2015 Porsche 911 991 Turbo S Coupe H6 3.8L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle 2015 Porsche 911 991 Turbo S Coupe H6 3.8L
Your Vehicle 2015 Porsche 911 991 Turbo S Coupe H6 3.8L
Change Clear

2015 Porsche 911 991 Turbo S Coupe H6 3.8L Performance ECU & TCU Tuning

Sort By
Filter By
Return to Top

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 5 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 5 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 & TCU Tuning

All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings