Turbosmart Electronic Blow Off Valve Controller Variations:Turbosmart Electronic BOV Controller with Black Race Port or full bumps to absorb

or full bumps to absorb large impacts smoothly while having occupants in a lowered vehicle

Ignition timing optimized by the ECU

Your Wagon will approve

yet aggressive tone on the 2015+ WRX

This down pipe uses factory mounting locations for the O2 sensors

Turbosmart Electronic Blow Off Valve Controller Variations:Turbosmart Electronic BOV Controller with Black Race Port or full bumps to absorbWhen running high boost or a very large turbo in your gas or diesel engine, sometimes a standard manifold actuated blow off may not be enough to control compressor surge. Compressor surge is a condition that is caused when boost can not be vented from the system fast enough at throttle closure, causing negative pressure (or backspin) on the turbo resulting in sluggish throttle response or even damage and catastrophic failure. The Turbosmart electronic