Welcome to the next evolution of boost control, The GrimmSpeed Manual Boost Controller. Introducing the most refined Manual Boost Controller available on the market. GrimmSpeed has spent over a year working hand in hand with tuners across the country to devolop this MBC. This 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 their rising scale running the length of the controller, lock and load. CNC'd from weapon's grade 6061 Aluminum and laser etched this MBC will outlast your vehicle! The GrimmSpeed Manual Boost Controller redefines precise control and will promise you the results you demand.
Most items may be returned within 30 days of the product arriving to your house or place of work. Returns will NOT be accepted on final sales, special orders, opened, installed, incomplete, or otherwise used products. In order to initiate a return, an RMA number must be requested and approved. All returns will be subject to a 15% restocking fee minus complete shipping cost. For complete details on our return policy, please see our Help and FAQ link under HELPFUL INFO.