Best Selling Products

All necessary hoses, adapter fittings and parts necessary to connect the Radium fuel rail to the factory fuel system lines in the engine bay.

Radium Engineering FPR Spring- Wide Range (Use with Radium MPR, DMR, and FST-R)

ARP 3/8-24 Hex Nut Kit (10 pack)

High-efficiency twin-turbo upgrade for S55-powered BMW F8X applications. Built to improve airflow, reduce backpressure, and support stronger re...

Applications: 2002 - 2005 Subaru WRX 2006 - 2007 Subaru WRX 2008 - 2014 Subaru WRX 2004 - 2007 Subaru STI 2008 - 2014 Subaru STI 2015 - 2021 Subar...

(2015-Present) Electronic Boost Solenoid for Subaru Turbo Engines Our Electronic Boost Solenoid represents the pinnacle of aftermarket boost con...

Now available for the Subaru EJ20/EJ25 and FA20/FA24 engines! The TR Billet Oil Cap not only adds pop to your engine bay, but allows you to safely ...

Our TR Subaru turbo inlet hose features a heavy duty 5-ply silicone design that will not collapse. It's designed for bolt-on fitment, with a lar...

LEAD TIME ~2.5 Month The Tomioka Racing Up pipe is constructed of the highest quality SUS304 stainless steel tubing, polished to a mirror like fini...

TR Subaru turbo inlet hose features a heavy duty 5-ply silicone design that will not collapse. Designed for bolt-on fitment. With a larger diameter...

Our TR Subaru turbo inlet hose features a heavy duty 5-ply silicone design that will not collapse. It's designed for bolt-on fitment, with a lar...

Tomioka Racing exhaust manifolds are designed to free up exhaust gas flow to improve the performance of the FA20 motor. Its equal length structure ...

For those looking for more reserve capacity from other TR batteries, the TR-B1700 is the perfect choice. At 17 lbs and slightly wider than TR-B1500...

(2002-2007) Electronic Boost Solenoid for Subaru Turbo Engines Our Electronic Boost Solenoid is a precision-engineered aftermarket replacement s...

  TR Subaru turbo inlet hose features a heavy duty 5-ply silicone design with wire reinforcement that will not collapse. The silicone hose is also...

    The TR high flow Turbo Muffler Delete for various 1.8T and 2.0T engines featuring IHI turbochargers. Increase the volume of air into the factor...

Introducing the Tomioka Racing Shift Knob constructed from Delrin® materials. Delrin® possesses high tensile strength and toughness while also exhi...

Lowering a Subaru improves center of gravity—but it also drops the front roll center and increases roll couple. The TR Roll Center Adjuster uses ex...