Products

AEM's 340lph E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity chara...

AEM’s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity chara...

AEM’s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity chara...

AEM 340LPH HIGH FLOW FUEL PUMP AEM’s 340lph E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to w...

AEM's High Cap Universal Adjustable Fuel Pressure Regulator (PN 25-305BK) is the perfect solution for racers who need reliable fuel pressure in hig...

THE AEM WATER/METHANOL INJECTION SYSTEM ADVANTAGEWater/methanol injection for forced induction (turbocharged or supercharged) gas-powered race engi...

This is the factory spark plug as installed in the 2018 Subaru WRX STI Type RA and 2019 Subaru WRX STI. The main differences are a heat range tha...

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 in the process of external testing with the EO process ongoing. NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION C...

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...

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 ...

Upgrading the fuel system for your Subaru has never been easier. At the heart of our upgrade kit is an AEM ethanol-compatible fuel pump. We round...

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

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 These 1000cc Fuel Injector Clinic Top Feed Converted Injectors are designed for the 2004-2006 STI using original tumblers with the FIC ...

DESCRIPTION The Fuel Injector Clinic 1200cc Top Feed Injectors for the 2002-2014 WRX and 2007-2021 STI deliver the added fueling capacity needed fo...

DESCRIPTION These Fuel Injector Clinic 1200cc Top Feed Converted Injectors are designed specifically for 2004-2006 STI models running original tumb...

DESCRIPTION These Fuel Injector Clinic 1440cc Top Feed Converted Injectors are designed for 2004-2006 STI models equipped with original tumblers an...

DESCRIPTION The Fuel Injector Clinic 1440cc Top Feed Injectors for the 2002-2014 WRX and 2007-2021 STI deliver a major increase in fuel capacity, m...