Engine & Drivetrain

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...

Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts not wanting to be...

Vehicle Applications:  Model/Series Year Engine SKU Subaru RTC111 Forester (SH) 2008 - 2013 All RTC111 Forester (SJ) 2013 - 2018 All RTC...

Vehicle Application:  Model/Series Year Engine SKU Subaru RTC125 RZ 2012 > RTC125 Toyota RTC125 FR-S 2012 > All RTC125 FT86...

Vehicle Application:  Model/Series Year Engine SKU Lexus RTC109 GS (S190) 2005 - 2011 RTC109 GS300 (GRS190) 2005 - 2011 RTC109 GS350...

When you need simple, reliable, set-and-forget boost control, a Manual Boost Controller is hard to beat. Installation is as simple as connecting a ...

Our latest Type 5 Dual Port BOV made specifically for the 2015 WRX features the innovative new Smart Port drive-by-wire friendly staging technology...

Easy to Install and Setup, Turbosmart Supersonic BOV. Preferred venting solution for serious street tuners and racers. Big flow and even bigger sou...

Easy to Install and Setup, Turbosmart Supersonic BOV. Preferred venting solution for serious street tuners and racers. Big flow and even bigger sound.

Easy to Install and Setup, Turbosmart Supersonic BOV. Preferred venting solution for serious street tuners and racers. Big flow and even bigger sou...

Easy to Install and Setup, Turbosmart Supersonic BOV. Preferred venting solution for serious street tuners and racers. Big flow and even bigger sou...

Quiet and completely street-legal! A full recirculating BOV, ideal for WRX enthusiasts who don’t want to be noticed. Easy to install and set up. IN...

Quiet and completely street-legal! A full recirculating BOV, ideal for WRX enthusiasts who don’t want to be noticed. Easy to install and set up.

Fuel Rail Adaptor (Silver) - Allows Fitment of the Turbosmart Fuel Pressure Regulator to the OEM Fuel Rail.

Fuel Rail Adaptor (Silver) - Allows Fitment of the Turbosmart Fuel Pressure Regulator to the OEM Fuel Rail.

Easy to install and setup, the Turbosmart Dual Port BOV features sequential ports for quiet operation on mild boost and full performance at full bo...

Easy to install and setup, the Turbosmart Dual Port BOV features sequential ports for quiet operation on mild boost and full performance at full bo...

Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts not wanting to be...

Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts not wanting to be...

Our latest Kompact Smart Port made specifically for the 2015 WRX features the innovative new Smart Port drive-by-wire friendly staging technology t...

Dual outlet-type BOV. Dual Port vents both to the atmosphere and back into the air intake. Ports with sequential timing allow quieter operation dur...

Dual outlet-type BOV designed specifically for the Subaru 98-00 Forester and MY99 WRX. The Kompact Dual Port vents both to the atmosphere and back ...

Dual outlet-type BOV. The Kompact Dual Port vents both to the atmosphere and back into the air intake. Ports with sequential timing allow quieter o...

The Kompact Dual Port blow-off valve is a direct replacement for the stock bypass valve on the Subaru WRX MY08-14 as well as the new Nissan Juke/Pu...