2008-2014 STI Engine

IAG REVOLVE ENGINE OIL FILL CAP W/ ANODIZED COLOR ACCENT FOR 02-24 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT, 13-24 BRZ TRANSFORM YOUR ENGINE BAYGet rid...

IAG REVOLVE ENGINE OIL FILL CAP W/ ANODIZED COLOR ACCENT FOR 02-24 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT, 13-24 BRZ TRANSFORM YOUR ENGINE BAYGet rid...

IAG REVOLVE ENGINE OIL FILL CAP W/ ANODIZED COLOR ACCENT FOR 02-24 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT, 13-24 BRZ TRANSFORM YOUR ENGINE BAYGet rid...

IAG REVOLVE ENGINE OIL FILL CAP W/ ANODIZED COLOR ACCENT FOR 02-24 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT, 13-24 BRZ TRANSFORM YOUR ENGINE BAYGet rid...

The Subaru Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package for STI Includes: Silicone Turbo Inlet V2, Throttle Body Coupler, Spark Plugs, Top F...

Monitoring Fuel Pressure is vital on any vehicle, especially those that are asking more of their fuel system. As demand on a fuel system increases,...

Setting the standard for MAF style intakes with a velocity stack, airflow straighteners and composite body for ultimate performance. All aftermarke...

Upgrade your 2008-2014 STI with the COBB Front Mount Intercooler Kit, designed to replace the restrictive factory intercooler. Featuring a large 30...

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

The OEM Coolant Overflow Tank for the 2008-2014 WRX/STI does its job well enough but the cheap plastic material is ugly and will potentially crack ...

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...

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...

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...

The IAG Performance ARP 1/2" Head Stud Set is engineered specifically for Subaru EJ25, FA20, and FA20 DIT engines. Crafted from high-strength ARP m...