Focus ST Engine Management

*Ford Focus ST/Fiesta ST/EB Mustang/Fusion Fuel Upgrade Tune
$ 99.99

*Ford Focus ST/Fiesta ST/EB Mustang/Fusion Fuel Upgrade Tune

This product is intended for customers who have already purchased a COBB Accessport and a JST Performance custom tune and would like to add on an a...

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$ 99.99
*JST Performance Focus ST Stage 1 Package
from $ 790.00

*JST Performance Focus ST Stage 1 Package

We thought we would make it easier for our newest customers to upgrade their Focus ST's by introducing our best selling products now in a package! ...

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from $ 790.00
*JSTuned ProTune Revision
$ 110.00

*JSTuned ProTune Revision

Adding modifications and need an upgraded tune? No problem! This product is intended for customers already running a JSTuned ProTune who have decid...

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$ 110.00
*JSTuned Unlimited Tune Upgrade
$ 130.00

*JSTuned Unlimited Tune Upgrade

This product is intended for customers already running a JSTuned ProTune who have decided to upgrade to our Unlimited Tune option (unlimited tunes ...

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$ 130.00
COBB Accessport V3
from $ 500.00

COBB Accessport V3

The Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for your vehicle. Unlock power hidden within the...

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from $ 500.00
Cobb Accessport V3 Holster
$ 19.99
Cobb Accessport V3 Sticky Mount
$ 9.98
Cobb Accessport V3 Zippercase
$ 9.98
Cobb Ford Focus ST Accessport V3 A-Pillar Mount
$ 79.98
Cobb Ford Focus ST Stage 1 Power Pack with V3
$ 665.00

Cobb Ford Focus ST Stage 1 Power Pack with V3

The Accessport V3 is the world's best selling, most flexible ECU upgrade solution for Ford. Unlock power hidden within the vehicle by replacing con...

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$ 665.00
Cobb Ford Focus ST Stage 2 Power Package
from $ 1,935.00

Cobb Ford Focus ST Stage 2 Power Package

The Stage 2 Power Package for the Ford Focus ST is the best second level for the Ecoboost powered vehicle. During extensive testing, COBB engineers...

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from $ 1,935.00
Cobb Ford Focus ST Stage 3 Power Package w/V3
from $ 3,285.00

Cobb Ford Focus ST Stage 3 Power Package w/V3

The most comprehensive Power Package available for your Focus ST! Includes the Accessport V3, Intake, Front Mount Intercooler, Rear Motor Mount, Ca...

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from $ 3,285.00