Engine/Drivetrain

**New for the 2002-2021 Subaru STi, 2002-2007 WRX and 2002-2007 Forester XT.** We are very excited to announce some updates to this product line.  A few years ago we picked up a new Haas VF4-SS CNC mill, optioned up with a fourth axis.  It...

Maintenence is key to keeping your car performing to the fullest of its abilities, and our wave spring bypass valve certainly sees a lot of action under the hood of your car.  Every few years we recommend replacing the o-rings & wave spring on...

Enhance your 2015-2021 Subaru WRX/STi for any adventure. Pedal Commander® is the best upgrade that instantly elevates your driving experience, whether on or off the road. The Pedal Commander® throttle response controller eliminates throttle lag...

Get the most from your mods with the Cobb Subaru Accessport V3 for the 2015-2021 WRX/STI, 2014-2018 Forester XT, now available here at Nameless Performance! Highlights Simple Installation: Everything is included for the simple installation! Intuitive...

Want the best and most effective chassis stiffening brace available for your VA Chassis Subaru WRX or STi? Well look no further! Our Nameless Performance Twin Tube, single piece weldment front strut tower brace! Why is it the best? How is it different...

Want the best and most effective chassis stiffening brace available for your VA Chassis Subaru WRX or STi? Well look no further! Our Nameless Performance Twin Tube, single piece weldment front strut tower brace! Why is it the best? How is it different...

Magnetic oil drain plugs have been proven to extend an engine's life by capturing the fine metallic particles that the oil filter does not. The Nameless Performance magnetic drain plug provides an extra layer of engine protection by retaining the...

Let’s face it, Subaru may make great looking cars, but they are terrible at under hood beauty parts! Your battery tie down is probably like the rest: thin stamped steel, used to be black, probably a little bent up with some rusty nuts. Hell, you...

Clean Up the VA Engine Bay & Eliminate Factory Fender GapsIf you pop the hood on a 2015–2021 Subaru WRX or STI, one of the first eyesores you'll notice is the unrefined, open fender gap exposing unsightly wiring harnesses, body seams, and...

Ditch the Boring Factory Plastic for a Custom Engine Bay Focal PointWhen you pop the hood on your WRX or STI, the faded, flimsy OEM plastic belt guard is one of the biggest eyesores in the engine bay. The IAG Aluminum Alternator Cover replaces that cheap...

The Standard-Setting Engine Defense for High-Power EJ EnginesOn turbocharged 2.5L EJ-series engines (EJ255 and EJ257), high boost levels and aggressive driving create intense crankcase pressure that pushes oil mist and blow-by vapors directly into your...

Eliminate Drivetrain Slop & Improve Throttle ResponseSubaru designed the factory pitch stop mount to control engine and drivetrain movement, but the OEM plastic body and soft rubber bushings prioritize cabin quietness over performance. The Whiteline...

On turbocharged Subaru models, the factory Pitch Mount is constructed of a plastic composite and uses bushings geared towards providing maximum comfort. Replacing it with a COBB Pitch Stop Mount increases overall drivetrain stiffness, eliminates power...

Koyorad VH091662 – Hyper V-Core Aluminum Racing Radiator for Manual Subaru Models (2008–2021 WRX/STI & 2005–2009 Legacy GT/Outback XT)Upgrade your cooling with the Koyorad VH091662 Hyper V-Core radiator—a high-density,...

This Fumoto Oil Drain Valve Kit for Subaru FA and FB series engines, available exclusively from Nameless Performance, includes everything you need to change your oil quickly and without making a mess! The Original Fumoto Oil Drain Valve has been...

The High-Torque Solution for Big-Power E85 & Upgraded Turbo STIsThe ACT Xtreme Performance Street Sprung Clutch Kit (SB10-XTSS) is built for the high-horsepower enthusiast who needs serious holding capacity but refuses to deal with the harsh...

The Gold Standard for Track & Daily STI BuildsThe ACT Heavy Duty Performance Street Sprung Clutch Kit (SB10-HDSS) is the ultimate clutch upgrade for the 2.5L EJ257-powered Subaru WRX STI. Purpose-built to handle aggressive street driving, heavy...

Maximum Acceleration & Ultra-Low Inertia for Track BuildsIf you are building a dedicated track car, a high-RPM time attack weapon, or a drag car that needs to snap through gears as fast as physically possible, the ACT XACT Prolite Flywheel (600240)...

Quicker Throttle Response Without Sacrificing DrivabilityThe ACT XACT Streetlite Flywheel (600235) is the ideal lightweight upgrade for daily-driven or spirited street Subaru STIs. Weighing in at 15.6 lbs (a significant reduction compared to heavy stock...

The Ultimate Insurance Policy for High-Performance DrivetrainsWhen you drop in a heavy-duty clutch or a lightweight chromoly flywheel, upgrading your flywheel hardware isn't just an afterthought—it's mandatory safety. Standard factory flywheel...