2015-2021 Engine

A good quality spark plug goes a long way in ensuring your car's engine is running smoothly. For years, tuners have been using an alternate solutio...

The COBB turbo blanket insulates the turbine housing offering multiple benefits. It prevents the dissipation of useful exhaust energy improving tur...

Remove the overworked factory intercooler from your 2015+ STI in favor of the Black COBB Front Mount Intercooler Kit. Featuring a massive 24" x 11"...

This COBB radiator shroud will not only dress up your engine bay but also help direct air through the surface of the radiator resulting in better c...

Filter Recharger Kit for COBB Blue Filter Forgetting to check the condition of your air filter can have a dramatic effect on vehicle perform...

The COBB Delrin Oil Cap's construction of pure medical-grade black Delrin means it does not absorb heat like many aluminum options. The included se...

This upgraded Subaru coolant overflow tank is affordable, easy to install, and improves both form and function. It's a must-own part when installin...

Want the world's best selling, most flexible ECU upgrade solution along with COBB's SF Intake System to increase air flow? Start here, down the mod...

Taken your throttle body coupler off one too many times? Has it seen better days? Why not add a little flair to your engine bay with the new COBB T...

The COBB TD05H-20G turbocharger is engineered to enhance your 2008-2021 STI’s top-end power while preserving strong low and mid-range response. Fea...

Add a touch of class to your Subaru's engine bay with the Redline Carbon Fiber Alternator Cover. This cover replaces the factory dull plastic cover...

Are you annoyed with that 2800 rpm stumble you get while driving your 2008+ Subaru STI? The COBB Subaru 08+ STI Fuel Pressure Regulator Kit is a pl...

Add a touch of class to your Subaru's engine bay with the Redline Carbon Fiber Fuse Cover. This cover provides something to admire vs. the factory ...

The COBB Tuning Stainless Steel Heat Shield is an attractive direct replacement for the unsightly factory piece. This turbo heat shield can shroud ...

Most Subarus are equipped with either a 2.5 or 3 bar MAP sensor from the factory which allows accurate reading up to either 21.5psi or 28.8psi (res...

The COBB OBDII Universal Cable enables you to connect your Version 3 Accessport to any COBB supported vehicle! Tired of your Accessport OBDII cable...

The C.A.R.B. Certified COBB LF Bypass Valve is engineered for high-performance applications on 2002-2007 WRX, 2004-2021 STI, and 2006-2008 FXT mode...

Experience the ultimate upgrade for your 2015-2021 WRX STI with the COBB Stage 1+ Power Package paired with the Redline Carbon Fiber Intake. This p...

Our COBB Battery Tie Down is a perfect upgrade for Subaru models. It's professionally designed in CAD and machined from quality billet aluminum for...

The COBB Subaru Air/Oil Separator helps to prevent crankcase oil vapors from recirculating back through your engine's intake system.Oil vapors pass...

COBB Fuel Injectors Top Feed 1050x are designed to provide increased fuel flow while maintaining stock idle and driveability with proper tuning. Th...