4000S Boost Controller - Buy Audi 4000S Boost Controller

5000 Audi 4000S Boost Controller

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Listing Price:

~~$199.99~~

Selling Price:

$99.99

Adjustable Boost Controller

Manufacturer: JDM

Listing Price:

~~$131.99~~

Selling Price:

$105.99

Agency Power Manual Boost Control Kit - AP-UNI-100

Manufacturer: Agency Power

Listing Price:

~~$489.99~~

Selling Price:

$440.99

Universal Greddy Profec B-Spec II Electronic Boost Controller - Black - 15500209

Manufacturer: Greddy

Info: Fits: Universal

Listing Price:

~~$489.99~~

Selling Price:

$440.99

Universal Greddy Profec B-Spec II Electronic Boost Controller - Silver - 15500210

Manufacturer: Greddy

Info: Fits: Universal

A 4000S Boost Controller controls the amount of boost or pressure your turbo spools to. When more performance is required the 4000S Boost Controller increases turbo production and when less performance is required turbo boost is decreased.