2008-2010 STI Intake

The COBB Tuning SF Intake utilizes their custom design to maintain optimal flow and net the ideal performance while remaining unedited from the...

GrimmSpeed knows that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to increase power...

Constructed of black 5-ply silicone, the COBB Turbo Inlet V2 is a direct replacement for your 2004-2020 STI! The custom silicone construction of...

Is the Killer B Motorsport Cast Hard Turbo Inlet the best inlet you can buy for your EJ? We think so. Made from precision cast aluminum , a...

The SF Intake & Airbox combo/kit includes two great products offered in a package at reduced pricing. The C.A.R.B. certified COBB Tuning SF...

DESCRIPTION This plug and play NexGen Ethanol Sensor Kit is the heart of our NexGen Flex Fuel product offering. It consists of an ethanol content...

GrimmSpeed does it again with our enlarged bore Intake Manifold-To-TGV Gaskets. Why do you want the enlarged bore style vs. the small oem?...the...

COBB Tuning SF Intake removes a pre-turbo restriction in the stock intake system. The SF Intake intake system utilizes several unique features in...

The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from...

COBB Tuning SF Intake removes a pre-turbo restriction in the stock intake system. The SF Intake intake system utilizes several unique features in...

DESCRIPTION A plug and play solution enabling users to monitor Fuel Pressure on a Custom Accessport monitor. The Fuel Pressure Sensor Kit uses...

COBB SF Intake and Air Box Package The COBB Tuning SF Intake utilizes our custom design to maintain optimal flow and net the ideal performance...

DESCRIPTION This package is intended to be added to our 50-state legal NexGen Stage 2 Power Package. It includes both our NexGen Ethanol Content...

The COBB TGV Shaft Seal Kit consists of two billet aluminum plates that have been anodized black. A COBB logo is then laser etched on the end of...

Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the...

For years you've been asking us for intakes, and for years we've silently worked to create a solution that sets itself apart from the rest. We...

K&N HIGH FLOW DIRECT FIT AIR FILTER Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 0.938 in. height, 8.75 in. outside...

AEM Dryflow Air Filters are washable synthetic air filters designed for an optimum combination of air flow, filtration, and performance. AEM...

This IAG 8mm Thick Phenolic Spacers kit (1 PAIR) is designed to be used with the IAG V2 TV and IAG Dual Injector TGV Housings which fit the 2002+...