Subaru

Now available, the race-inspired Velocity Stack and Filter kit from Skunk2 Racing. The Skunk2 Velocity Intake Kit optimizes airflow and maximizes v...

Introducing our brand new range of stickers featuring our new logo! The Speed Science Logo Sticker is designed for use anywhere and incorporates ou...

So you don't lose your keys and stuff.... Sold individually.

Stay warm in style with a Speed Science Logo Beanie! 100% Hypoallergenic Soft Acrylic One Size Fits All, Comfy Fit Individually wrapped to mainta...

The SpeedFactory Racing 3-Port Boost Control Solenoid Kit allows precise boost control with a PWM (pulse-width modulation) signal from a source (E...

The SpeedFactory Racing 4-Port Boost Control Solenoid Kit allows precise boost control with a PWM (pulse-width modulation) signal from a source (E...

The SpeedFactory DBD-850 Dual Backdoor Intercooler is built with a high quality 3" thick SpeedFactory Air-to-Air Intercooler Core, featuring bar a...

The SpeedFactory DBD-1000 Dual Backdoor Intercooler is built with a high quality 3.5" thick SpeedFactory Air-to-Air Intercooler Core, featuring ba...

The SpeedFactory DBD-1200 Dual Backdoor Intercooler is built with a high quality 4.5" thick SpeedFactory Air-to-Air Intercooler Core, featuring ba...

The SpeedFactory SS-1200 Side Inlet/Outlet Intercooler is built with a high quality 4.5" thick SpeedFactory Air-to-Air Intercooler Core, featuring...

You asked and we delivered - with performance, sound, and aesthetics in mind we have created the ultimate muffler for you!The SpeedFactory LT-5 (Lo...

The SpeedFactory SS-850 Side Inlet/Outlet Intercooler is built with a high quality 3" thick SpeedFactory Air-to-Air Intercooler Core, featuring ba...

The STM MAF Flange is machined aluminum and designed to be welded on to a 3" aluminum intake. Screws are included. The STM MAF Flange fits the 2009...

The STM Short Battery Tie Down Plate can be used as a dress-up, finishing piece or used for custom applications with small batteries. USA-made from...

If you've ruined your brake lines, not to worry. These STM replacement brake lines are for the 2005-2018 Subaru WRX/STi STM front drag brake kits. ...

If you've ruined your brake lines, not to worry. These STM replacement brake lines are for the 2005-2018 Subaru WRX/STi STM rear drag brake kits. ...

The STM Lightweight Front Bumper Support Bar for the 2015-2020 WRX & STi weighs in at only 6.7 pounds and is a direct replacement for the 21.6 ...

The STM Stainless Turbo to Manifold Gasket is a factory replacement gasket for all Subaru WRX 2015+ models.  Features: 304 Stainless Steel 16 Gaug...

The STM Main Bolt Kit is comprised of all new genuine OEM Mitsubishi bolts and fits the 7-Bolt 1G DSM models. Includes a full set of 10 bolts.Inclu...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" Includes all genuine OEM Mitsubishi parts to replace the turbo oil return ...

The STM Evo 7/8/9 Oil Filter Housing Bolt Kit works with all Evo 7/8/9 filter housings MD372813 and 1230A018 for a clean install.OEM bolt MF241266 ...

The STM Small Battery Kit for the 2002-2007 WRX and STi models includes everything needed to install in minutes. The factory battery weighed in at ...

The STM Lightweight Battery Kits for the 2015+ WRX allow you to install a smaller, lightweight battery to save weight while lowering the center of ...

The STM Spark Plug Gapping Tool allows for easy handling of your spark plug and gauge for for a smooth, controlled and precise gap. So you can stop...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Subaru driveshaft to rear end bolt kit for the 2004-2007 STi model...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Downpipe for the 2015+ manual transmission WRX is a full 3" mandre...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Downpipe with High Flow Cat for the 2015+ manual transmission WRX ...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Axle-Back Exhaust / Muffler Delete for the 2015+ Subaru WRX and ST...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" If you already purchased the STM Axle-Back Exhaust, you can purchase the r...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Stainless Steel Cat-Back Dual Exit Exhaust for the 2015+ WRX and S...

Steering tie rod angle changes as the suspension if lowered/lifted. This will make the car difficult to control due to the unwanted toe change duri...

As you increase the power output of your Honda Accord CL7/9 through numerous well-chosen performance enhancing mods, you need to keep a check on y...

As you increase the power output of your EF8/9 through numerous well-chosen performance enhancing mods, you need to keep a check on your engine s ...

As you increase the power output of your Honda S2000 through numerous well-chosen performance enhancing mods, you need to keep a check on your eng...

As you increase the power output of your Subaru WRX GC8 through numerous well-chosen performance enhancing mods, you need to keep a check on your ...

As you increase the power output of your Subaru WRX GDB through numerous well-chosen performance enhancing mods, you need to keep a check on your ...

This 1.5 litre capacity catch can is machined from solid billet aluminium. It features 4 x 3/4NPT threaded holes and is supplied with 2 x AN10 fit...

This 1.5 litre capacity catch can is machined from solid billet aluminium. It features 4 x 3/4NPT threaded holes and is supplied with 2 x AN8 fitti...

Under heavy braking, the bulkhead by the brake master cylinder flexes, resulting in an almost spongy pedal feel. This powder-coated stopper bolts ...

Under heavy braking, the bulkhead by the brake master cylinder flexes, resulting in an almost spongy pedal feel. This powder-coated stopper bolts t...

This is ideal if you need to 'plug' an existing sensor hole. Universal fit and will fit 99.9% of lamda threads

Made from stainless steel, this spacer is ideal if you are running a race header but do not have K-pro. This is used on the post-cat o2 sensor and...

Made from stainless steel, this boss is ideal if you need to run an extra sensor or even if you are building a custom exhaust system. We also sell...

EnduraPro and EnduraPro PLUS are high-performance OE-shape shock absorbers. Designed to use with the vehicle's original (OE) spring and upper mount...