2008-2014 WRX

Our V2 Performance Oil pan is designed to reliably meet the demands of high performance Subaru Engines used on street or track applications. Oil Pa...

The Killer B Motorsport Relocated Oil Fill Tube changes the location of the oil fill tube and cap. This product was designed from customer requests...

The Killer B Motorsport Performance Radiator takes cooling technology to the next level of performance. Utilizing F1 core technology, the Killer B ...

The Killer B Motorsport High Flow Ultimate Oil PickupDesigned to replace the failure prone and performance limited OEM oil pickup. This is the high...

1/2NPT to 1/8NPT Adapter will allow the use of aftermarket temperature sensors that have 1/8NPT threads. Our aftermarket oil pan includes an extra ...

Our 1/2NPT to 1/8PT Adapter will allow the use of aftermarket temperature sensors that have 1/8PT threads. Our aftermarket oil pan includes an extr...

These handy valves make short work of oil changes, putting you IN the car longer and under it less. No more sockets, wrenches, crush washers, or to...

Killer B’s Water Pump Housing is a much more robust design. Designed using state of the art 3-D CAD software to assure maximum flow with minimum tu...

Killer B’s Water Pump Housing is a much more robust design. Designed using state of the art 3-D CAD software to assure maximum flow with minimum tu...

The EJ Series Installation Kit allows for installation of Killer B's Cast High Flow Water Pump Housing and contains hose and clamps.

We have all heard the horror stories. You’re just driving down the road minding your own business and then boom. Your engine blows without warning....

This product was designed to maximize engine compartment space, combining two reservoirs into a single component. Those running larger radiators or...

The Killer B Motorsport Air/Oil Separator functions with a vacuum source only, the turbo inlet. This provides the vacuum source for the crankcase. ...

The Killer B Motorsport Super G Oil Pan and High-Flow Style Pick and Baffle Combo is a must-have for any 2002-2014 WRX or 2004-2021 STI engine conf...

The Killer B Motorsport V4 Performance Oil Pan is an aftermarket oil pan designed to enhance the reliability and performance of high-performance S...

The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase po...

The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase po...

The popular Killer B Motorsport 321 Stainless Steel Holy Header is a great way to increase the exhaust flow due to the smooth bends in the desi...

The Killer B Motorsport V4 Performance Cast Oil pan is designed to reliably meet the demands of high-performance Subaru Engines used on street or t...

This is the Killer B Motorsport Windage Tray. This tray has been designed to help reduce oil sloshing from one bank of the engine to the other unde...

The factory oil pickup is failure-prone and can lead to engine failure. What happens is that the tube will end up cracking, sometimes at the welds,...