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The latest iteration of GFB’s feature-packed electronic boost controller now has the ability to monitor and display your engine’s air/fuel ratio in either Lambda or AFR. By connecting the analogue output of most wideband O2 controllers (i.e. Innovate LC-2, AEM UEGO etc, sold separately) to the G-Fo

Replace your ugly, corroded, steel boost solenoid cover with a PERRIN Performance Engine and Boost Solenoid Cover. *Construction* The PERRIN Performance boost controller cover is constructed of 5052 plate aluminum with precision bends and mounting holes to fit perfect under your hood. Aluminum co

PERRIN’s Red Boost Control Solenoid Cover is an aesthetic upgrade to your engine bay which is pleasing to the eye. It is much better to look at than the actual boost control solenoid itself which resembles a robot’s pancreas. These are crafted out of high-grade aluminum, and has precision bends

The Hondata 4 port boost controller precisely directs pressure to the top and bottom of your waste-gate diaphragm. It allows much lower waste-gate spring pressure for better low gear boost control and perfect high gear, high boost control. Features: *A 10 lb waste-gate spring will enable 50+ ps

The TurboXS Boost Solenoid is an excellent upgrade for your FA20 WRX.  It enables precise boost control and is easy to install mounting in the stock location and plugging directly into the stock harn.