Engine Management

The IAG Performance MAF Sensor Block Off Plate for the 2002-07 Subaru WRX / STI is designed to seal the MAF sensor location on cars that are converted to speed density tuning (where the MAF sensor is no longer needed). The block off plate can be used in...

The IAG Performance MAF Sensor Block Off Plate for the 2008+ Subaru WRX, 2008-21 STI & 2005-09 LGT is designed to seal the MAF sensor location on cars that are converted to speed density tuning (where the MAF sensor is no longer needed). The block...

The IAG MAF (Mass Air Flow Sensor) mounting flange is manufactured from aluminum and is designed to be welded onto a custom 3" aluminum pipe. The flange easily accepts the OEM MAF and o-ring. *Note this a part that requires fabrication and welding to use...

The IAG MAF (Mass Air Flow Sensor) mounting flange is manufactured from aluminum and is designed to be welded onto a custom 3" aluminum pipe. The flange easily accepts the OEM MAF and o-ring. *Note this a part that requires fabrication and welding to use...

The IAG Performance Map Sensor Adapter enables you to go beyond the limits of 23 psi with your Subaru. The OEM map sensor is limited to 23 psi and if you want to exceed that pressure, you are required to install an aftermarket MAP sensor*. Our adapter...

IAG Performance Universal Intake Air Temperature (IAT) Speed Density Kit. Kit includes weld on IAT aluminum bung, IAT sensor, IAT sensor connector and wiring.

If you upgrade your Subaru to a Blow-Through System you will need a way to block off the location where the old MAF Sensor was. The GrimmSpeed MAF Block Off Plate allows you to do just that! This compact design features black anodized aluminum for a very...

Simple ECU flashing with gauge package! The new in-cabin mountable Accessport V3 has a large, full color, higher resolution screen which allows you to monitor up to six parameters in real time. Fully customizable from the look (multiple bezel colors),...

The Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for your Subaru. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Follow the COBB...

The Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for your Subaru. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Follow the COBB...

The Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for your Subaru. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Follow the COBB...

The Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for your Subaru. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Follow the COBB...

Simple ECU flashing with gauge package! The new in-cabin mountable Accessport V3 has a large, full color, higher resolution screen which allows you to monitor up to six parameters in real time. Fully customizable from the look (multiple bezel colors),...

DESCRIPTIONCombining the world's best selling, most flexible ECU upgrade solution along with a high flow filter to increase air flow, COBB brings you the COBB Stage 1 Power Package for your Subaru.WHY?Start here, down the modifying road with the best...

DESCRIPTIONThe Stage 1 Power Pack includes: COBB Accessport - The most complete Subaru tuning solution on the planet; High Flow Filter - increased power and fuel economy WRX 2002-2005 Stage1 Gains: 15%HP / 20%TQWHY?Combining the world's best selling,...

New! After the success and popularity of our Accessport mount for the 2008-20124 WRX and STI, and the 2015+ WRX and STI, customers asked us for a mount for their older 2002-2014 cars. We listened, and here is the result. We had been looking at mounts for...

New! After the success and popularity of the Mach V Accessport mount for the 2015+ WRX and STI, customers asked for a mount for their older 2008-2014 cars. Mach V listened, and here is the result. Looking at mounts for Accessports, Mach V couldn't find...

This one has been a long time coming. Mach V had been looking at mounts for Accessports, and couldn't find quite what they wanted. Some of their favorites were ones that put the Accessport in the dash vent position, but those are mostly 3D-printed and...

A simple 30 minute install will give you a huge increase in power. The aFe POWER SCORCHER GT Module includes a high quality case & wire harness with factory style connectors for an easy plug & play installation. A LED light switch provides In-Cabin...

DESCRIPTION The NexGen Flex Fuel Module is mounted to the passenger side strut tower and handles all of the data processing before sending ethanol content to the ECU to be used by an Accessport-delivered NexGen Flex Fuel calibration. Tying your existing...

DESCRIPTION A plug and play solution enabling users to monitor Fuel Pressure on a Custom Accessport monitor. The Fuel Pressure Sensor Kit uses OEM quality connectors, making fit and finish second to none. Utilizing existing factory inputs, this kit will...

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 sensor with mounting bracket, fuel lines to be used with the COBB Fuel Lines, a NexGen Flex Fuel module, and...

NTK® is The Sensor Specialist™ for import and domestic applications. Established under the NGK family of products, NTK Oxygen Sensors are part of our ongoing commitment to streamline product types and increase coverage. A ceramics company at our core,...

NTK® is The Sensor Specialist™ for import and domestic applications. Established under the NGK family of products, NTK Oxygen Sensors are part of our ongoing commitment to streamline product types and increase coverage. A ceramics company at our core,...

OverviewAEM's Bosch 4.2LSU Wideband UEGO O2 replacement sensor kit includes only the sensor (with attached cable and male connector) and is intended to replace an existing mounted wideband sensor used with AEM wideband air/fuel UEGO controllers.These...

Bosch Oxygen Sensor LSU 4.9 (17025)

NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful...

OverviewAEM's wideband O2 UEGO AFR replacement sensor and stainless-steel, finned, stand-off bung kit includes only a replacement Bosch 4.2 LSU Wideband UEGO sensor and stainless steel tall manifold bung. It is designed for installation and use with the...

OverviewAEM's Bosch 4.2LSU Wideband UEGO O2 replacement sensor kit includes only the sensor (with attached cable and male connector) and is intended to replace an existing mounted wideband sensor used with AEM wideband air/fuel UEGO controllers.These...

Omni Power USA 3 Bar MAP (Manifold Absolute Pressure) sensors use state of the art bipolar op amp circuitry with thin film resistor networks built into each micro chip. Pressure changes are calculated on a true linear 0-5 volt scale via a specially...