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Engine Management

Collection: Engine Management

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COBB (140 products)
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FAST (64 products)
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Tuners (91 products)

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376 products

JB4 for 2023+ Toyota Sequoia 3.4L Twin Turbo

Regular price $529.00 USD

Regular price Sale price $529.00 USD
Unit price per

JB4 for 2023+ Toyota Sequoia 3.4L Twin Turbo

No reviews
JB4 Tuner for 2021+ Range Rover Velar, Evoque, Discovery, Defender 2.0L 4Cyl Turbo (P250+P300 Engines) (BETA)

Regular price $599.00 USD

Regular price Sale price $599.00 USD
Unit price per

JB4 Tuner for 2021+ Range Rover Velar, Evoque, Discovery, Defender 2.0L 4Cyl Turbo (P250+P300 Engines) (BETA)

No reviews
JB4 Performance Tuner for 2023+ Nissan Z 3.0T

Regular price $599.00 USD

Regular price Sale price $599.00 USD
Unit price per

JB4 Performance Tuner for 2023+ Nissan Z 3.0T

No reviews
JB4 Tuner for 2024+ Maserati Granturismo Trofeo & Modena

Regular price $529.00 USD

Regular price Sale price $529.00 USD
Unit price per

JB4 Tuner for 2024+ Maserati Granturismo Trofeo & Modena

No reviews
JB4 for B58 INEOS Grenadier

Regular price $529.00 USD

Regular price Sale price $529.00 USD
Unit price per

JB4 for B58 INEOS Grenadier

No reviews
JB4 Tuner for 2022+ Lotus Emira (BETA)

Regular price $699.00 USD

Regular price Sale price $699.00 USD
Unit price per

JB4 Tuner for 2022+ Lotus Emira (BETA)

No reviews
JB4 Tuner for 2025+ Land Rover Defender OCTA V8 Twin Turbo (BETA)

Regular price $999.00 USD

Regular price Sale price $999.00 USD
Unit price per

JB4 Tuner for 2025+ Land Rover Defender OCTA V8 Twin Turbo (BETA)

No reviews
BMW B38/B46/B48 JB4 Tuner

Regular price $529.00 USD

Regular price ~~$529.00 USD~~ Sale price $529.00 USD
Unit price per

BMW B38/B46/B48 JB4 Tuner

No reviews
S68 JB4 Tuner for 2025+ G90 G99 BMW M5

Regular price $899.00 USD

Regular price Sale price $899.00 USD
Unit price per

S68 JB4 Tuner for 2025+ G90 G99 BMW M5

No reviews
JB4 for Kia / Hyundai 1.6L Turbo Smartstream 4-cylinder (V3)

Regular price $529.00 USD

Regular price Sale price $529.00 USD
Unit price per

JB4 for Kia / Hyundai 1.6L Turbo Smartstream 4-cylinder (V3)

No reviews
JB4 Tuner for 2023+ Dodge Hornet 1.3L & 2.0L I4 Turbo (BETA)

Regular price $529.00 USD

Regular price Sale price $529.00 USD
Unit price per

JB4 Tuner for 2023+ Dodge Hornet 1.3L & 2.0L I4 Turbo (BETA)

No reviews
JB4 Tuner for 2025+ RAM 1500 3.0L I6 Hurricane Twin Turbo

Regular price $529.00 USD

Regular price Sale price $529.00 USD
Unit price per

JB4 Tuner for 2025+ RAM 1500 3.0L I6 Hurricane Twin Turbo

No reviews
JB4 Tuner for 2023+ Mercedes-Benz C43/GLC AMG 2.0L Hybrid (BETA)

Regular price $599.00 USD

Regular price Sale price $599.00 USD
Unit price per

JB4 Tuner for 2023+ Mercedes-Benz C43/GLC AMG 2.0L Hybrid (BETA)

No reviews
JB4 Tuner for Porsche 992 Carrera, S, T, & GTS

Sale

Regular price $799.00 USD

Regular price ~~$1,199.00 USD~~ Sale price $799.00 USD
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JB4 Tuner for Porsche 992 Carrera, S, T, & GTS

No reviews

Sale
JB4 Tuner for 2010-2019 Ford Taurus SHO

Regular price $529.00 USD

Regular price Sale price $529.00 USD
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JB4 Tuner for 2010-2019 Ford Taurus SHO

No reviews
Group 12: JB4 Tuner for Audi 3.0TFSI Supercharged

Regular price $529.00 USD

Regular price Sale price $529.00 USD
Unit price per

Group 12: JB4 Tuner for Audi 3.0TFSI Supercharged

No reviews
JB4 Tuner for 2019+ Ford Ranger

Regular price $529.00 USD

Regular price Sale price $529.00 USD
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JB4 Tuner for 2019+ Ford Ranger

No reviews
JB4 Tuner for Ford Fiesta ST 2013-2023 4 cyl Turbo

Regular price $529.00 USD

Regular price Sale price $529.00 USD
Unit price per

JB4 Tuner for Ford Fiesta ST 2013-2023 4 cyl Turbo

No reviews
JB4 Tuner for Alfa Romeo Quadrifoglio QV 2.9L

Regular price $599.00 USD

Regular price Sale price $599.00 USD
Unit price per

JB4 Tuner for Alfa Romeo Quadrifoglio QV 2.9L

No reviews
JB4 Performance Tuner for 2019+ Aston Martin Vantage BETA

Regular price $799.00 USD

Regular price Sale price $799.00 USD
Unit price per

JB4 Performance Tuner for 2019+ Aston Martin Vantage BETA

No reviews

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