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GRIMMSPEED Universal Black Manual Boost Controller 

(Turbo models ONLY)


Factory Packaged Product

Manufactured by GrimmSpeed

• 1 GRIMMSPEED Manual Boost Controller

• Anywhere in USA, CANADA, Mexico, Europe, Germany, Australia and United Kingdom



Most popular vehicle fitment: 

2002 - 2013      SUBARU   IMPREZA

2003 - 2005      MITSUBISHI   LANCER

2004 - 2006      SUBARU   BAJA  TURBO


2005 - 2006      SAAB  9-2XEJ255



GrimmSpeed Manual Boost Controller: Welcome to the next evolution of boost control!! Introducing the most refined Manual Boost Controller available on the market. Grimmspeed spent over a year working hand in hand with Tuners across the country to devolop our MBC. Their Manual Boost Controller allows you to raise the OEM boost levels in a quick and efficient manner. Adding the MBC will result in Quicker Spool Up, Quicker Response, Increased Horsepower, and Increased Torque.

This is the first of its kind with Exact Control technology utilizing over 250 adjustment points that lock in place using a heavy duty stainless dual ball detent system. An extra long travel spring gives you superior range unmatched by any other manual boost controller while maintaining a high resolution, not some vague guess at where to set your boost. Don't trust the life of your engine to trial and error, rather pinpoint your setting using our rising scale running the length of the controller, lock and load. CNC’d from weapon’s grade 6061 Aluminum and laser etched our MBC will outlast your vehicle! The GrimmSpeed Manual Boost Controller redefines precise control and will promise you the results you demand. ACEP Styling has tested this product many times with impressive results.

* Over 250 Way Adjustable

* Heavy Duty SST Dual Ball Detent System (Clicks with each turn for active feedback)

* Laser Etched Scale and Labels (Easy to read and repeat precise adjustments)

  * Extra Long Travel Spring (ONE spring, no need to switch Springs)

  * Superior Range without Sacrificing Resolution (0-60 PSI Capabilities with Ultra-Fine adjustments)

  * Universal Mounting Solution

  * CNC'd From Weapons-Grade 6061 Aluminum (Incredibly Durable and Ergonomic


NOTE: Before any ACEP part is available to the public, ACEP designs are protected by DESIGN PATENTS / PATENT PENDING. Please before you purchase any similar design confirm it was designed or manufactured by ACEP.


Warranty Information
All returns accepted
Your buyer should contact you within 14 Days after receiving the item.
Refund given as Money Back.
Return shipping will be paid by your buyer .
Additional return policy details:
CUSTOMERS RESPONSIBILITY: There is no money back or exchange if the vehicle has been in any past collision and the part does not fit correctly. If the item is altered in any way, cut, shaved, sanded, or painted by anyone other than the manufacturer ACEP Styling, we assume no responsibility to the item or customer Installation instructions included | Professional installation highly recommended | Product intended for off-road use If you have any question or need customer service. We assume no responsibility of automotive laws required by the state, all items are for off road or show use only. RETURN POLICY: You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.). You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).