Time was, you could just plop parts on your car, and everything would be fine. These days even a simple intake can wreak havoc with your car's sensitive air/fuel metering, and modifying without proper ECU tuning can be disastrous. Look to Mach V Motorsports to set you up with the proper ECU tuning solutions for your Subaru.
Here you'll find the supremely powerful Cobb AccessPort ECU tuning systems for all turbo Subaru cars (including WRX, WRX STI, Legacy GT/Outback XT, and Forester XT), 3-port boost control solenoids, and stand-alone boost controllers for managing manifold pressure.
$675.00
NEW! The AccessPort V3 has everything you loved about the V2 model -- easy remapping of your Subaru's ECU, live data display, reading and clearing diagnostic codes, datalogging -- and...
$675.00
NEW! The AccessPort V3 has everything you loved about the V2 model -- easy remapping of your Subaru's ECU, live data display, reading and clearing diagnostic codes, datalogging -- and...
$675.00
NEW! The AccessPort V3 has everything you loved about the V2 model -- easy remapping of your Subaru's ECU, live data display, reading and clearing diagnostic codes, datalogging -- and...
$675.00
The Cobb Tuning AccessPort V3 has everything you loved about the V2 model -- easy remapping of your Subaru's ECU, live data display, reading and clearing diagnostic codes, datalogging --...
$675.00
NEW! The AccessPort V3 has everything you loved about the V2 model -- easy remapping of your Subaru's ECU, live data display, reading and clearing diagnostic codes, datalogging -- and...
$675.00
NEW! The AccessPort V3 has everything you loved about the V2 model -- easy remapping of your Subaru's ECU, live data display, reading and clearing diagnostic codes, datalogging -- and...
$19.99
High definition protective film and cleaning kit for your Accessport V3. Light Matte Finish. Reduces glare by about 25%. Minimal noise/pixeling, Highly scratch resistant and Fingerprint resistant.
$79.00
Get one of these if you've lost your original cable. For all Version 3 (V3) AccessPorts. Not for use with any other device. Sorry, Version 2 (V2) cables are discontinued...
$9.95 $12.00
This handy hard-shell zippered case keeps your AccessPort and accessory cables handy but protected. About 6" x 5" x 2".
$79.00 $99.00
Our three-port boost solenoid provides the fastest spool and rock-solid boost control. Installation is a snap, because it comes with a direct plug-and-play wiring harness. Fits all 2002-2014 WRX and...
$312.60 $434.16
This is an amazing boost controller at a truly awesome price. Features of the AEM "Tru Boost" Gauge Controller include: Complete stand-alone boost controller gauge On-board pressure sensor included for...
$113.56
The TurboXS Standard Boost Controller is a solid, simple boost controller that works on just about any turbo car. Comes complete with installation instructions, hoses, adjustment wrench, and zip-ties.
$141.75
The TurboXS High Performance Boost Controller uses a precision ball-and-spring design for fine tuning, combined with a bleed valve for coarse adjustment. The result is the ability to accurately control...
$64.98
The Accessport V3 A-Pillar Mount attaches to the driver's side A-Pillar of your 2015 WRX or STI. The swivel allows the driver to set the angle of the Accessport for...
$115.00
The Cobb 3-Port Boost Control Solenoid (BCS) adds the flexibility and precision needed for properly controlling boost via the factory ECU. Many upgrades to the turbocharging system (such as larger turbochargers...
$10.00
These little initialization jumpers allow you to reflash your 2002-2005 WRX. There's a blue one and a white one. Each car needs only one. Look under the dash to figure out which...
$150.00 $169.99
A 3-port Boost Control Solenoid (BCS) is considered by most to be a 'must have' improvement before having your car tuned. The 2015+ WRX offers a unique change of pace,...
$115.00
The COBB 3-Port Boost Control Solenoid (BCS) adds the flexibility and precision needed for properly controlling boost via the factory ECU. Many upgrades to the turbocharging system (such as larger...
$110.00
GrimmSpeed introduces the most complete and easy to use 3-Port Electronic Boost Solenoid available on the market. The GrimmSpeed aftermarket boost controller allows you to raise the OEM boost levels...
$110.00
GrimmSpeed introduces the most complete and easy to use 3-Port Electronic Boost Solenoid available on the market. The GrimmSpeed aftermarket boost controller allows you to raise the OEM boost levels...
$110.00
GrimmSpeed introduces the most complete and easy to use 3-Port Electronic Boost Solenoid available on the market. The GrimmSpeed aftermarket boost controller allows you to raise the OEM boost levels...
$110.00
GrimmSpeed introduces the most complete and easy-to-use 3-Port electronic boost control solenoid available on the market. The GrimmSpeed aftermarket boost controller allows you to raise the OEM boost levels in...
$19.00
Mount your Cobb V3 AccessPort on any car with a windshield. Lever-action suction cup holds securely. Slots allow the AccessPort holster to slide right on.
$19.00
Mount your Cobb V3 AccessPort on any car with an air vent. Clever clips plus an adjustable "kickstand" allow the mount to work in almost any kind of vent with...
$150.00
CUSTOM TUNING REQUIRED! The COBB 3-Port Boost Solenoid (BCS) is an excellent upgrade for modern turbocharged vehicles, enabling precise boost control in a tidy package that is easy to install...
$129.00 $149.00
Our three-port boost solenoid provides the fastest spool and rock-solid boost control. Installation is a snap, because it comes with a mounting bracket, vacuum line adapter for the turbo inlet pipe, and...
$675.00
NEW! The Cobb Accessport V3 unlocks extra power and more features from your Subaru Ascent.Accessport V3 functions include: Reprogram the car ECU with revised settings for fuel, timing, boost pressure,...
$212.17 $235.74
The new and updated dual stage boost controller, now featuring a billet aluminium housing and bullet valve technology for ultra fast boost response with two adjustable boost levels. Toggle between...
$25.00
This kit is a n upgrade for Cobb 3-Port Boost Control Solenoid (BCS). You will still need to aquire that kit is dont have it already. Upgrading to the 1/4" fittings...
$89.00 $99.00
This one has been a long time coming. We had been looking at mounts for Accessports, and couldn't find quite what we wanted. Some of our favorites were ones that...