Engine Mods

This is handmade here in the USA at Extreme Turbo Systems. This will bolt up with a 3.0"-4.0" ETS intercooler and requires no additional trimming o...

The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most ...

DESCRIPTION It’s inevitable, you’ll eventually want to replace your OEM Subaru oil cap. Whether it's leaking, worn out, or just an eyesore, the Gri...

FACTORY FIT WITH A CUSTOM LOOK Get rid of the bright yellow factory dipstick and transform your Subaru’s engine bay with the IAG Subaru Dipst...

THE IAG SPEC HIGH-FLOW DIRECT FUEL INJECTOR SET BY NOSTRUM IAG Performance and Nostrum have joined forces to develop the IAG Spec High-Flow D...

DESCRIPTION The Fuel Injector Clinic 1000cc Top Feed Injectors for the 2002-2014 WRX and 2007-2021 STI provide the fuel capacity needed for moderat...

DESCRIPTION The COBB Tuning Subaru Redline Gloss Carbon Fender Shrouds for the 2015–2021 WRX and STI bring a premium look and feel to your engine b...

Emissions This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

DESCRIPTION Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has just what ...

DESCRIPTION Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has just what ...

DESCRIPTION We decided on a subtle design for this cover that mimics the “vent” styling on our matching GrimmSpeed Alternator Cover. Is it made fro...

Tired of that ugly OEM hood prop blocking your view of that beautiful boxer engine? Always wanted to open your hood with just a couple fingers? Ann...

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

DESCRIPTION We know that many of you replace all of your exhaust gasket at the same time while installing aftermarket exhaust parts on your car. We...

DESCRIPTION The GrimmSpeed Air/Oil Separator for turbocharged Subaru models has a unique design that allows you to maintain your PCV Valve while se...

Emissions 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

Emissions 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

Emissions 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with th...

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

This alternator shroud is made from 5052-H32 Aluminum, powdercoated wrinkle black, and features a laser etched COBB logo. WHY? A qualit...

A quality product with easy installation! This COBB radiator shroud and alternator cover will not only dress up your engine bay but also help dir...

The COBB Turbo Blanket is designed to limit the amount of heat that is transferred from your turbocharger to your engine bay as well as keeping h...

DESCRIPTION The COBB Tuning SF Intake removes a pre-turbo restriction in the stock intake system. The SF Intake intake system utilizes sever...

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

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 ...

WHY? The filter element that originally came with your Redline Intake is cleanable and can be reused for the life of your car. However, should yo...

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...