STM Tuned

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Evo 7/8/9 transmission-mount engine oil catch can is designed to m...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM O2 Housing Downpipe combo is the perfect bolt-on addition to your ...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Power Steering Reservoir is a direct replacement for the factory E...

The STM Engine Oil Cooler Delete Kit fits all Evo 7/8/9 and Evo X models and is as simple and easy as it gets. If you plan on removing your engine ...

The STM Boost Leak Tester includes a billet aluminum core with nozzle to test your system for leaks and ensure your set-up is solid. Includes your ...

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...

STM Driveshaft Carrier Bearing Support Bushings are a direct replacement for your worn-out, factory, rubber bushings giving you a more solid feel o...

The STM E85 -8AN Fuel Rail Fittings are machined in Rochester, NY and anodized black for compatibility with E85, gas and all corrosive racing fuels...

The STM 3/8" BSPT to -4AN Fitting is generally used to attach a turbo oil feed line to your 3/8" BSPT oil filter housing. Compatible with all 1990-...

The STM In-Line Fuel Pressure Gauge features a -6AN adapter for a clean and simple install. Comes fully assembled with PTFE tape. The fittings is b...

The STM -6AN Male to 14mm x 1.5 Female Bubble Flare Fitting is typically used with the DSM sending unit to convert lines to -6AN. Also fits the Evo...

The STM 5" Aluminum Intake for the 2018-2019 Jeep Grand Cherokee Trackhawk is a direct bolt-on install. This massive intake pipe will open up the s...

The STM Evo X MAF housing pipe is designed for those of you making a custom intake set up at home, but may not have a welder. Available with a 3, 3...

STM BOV recirculation hose is perfect if you need to reroute your blow off valve from the intercooler pipe back into the intake. This 90° silicone ...

The STM -10AN Mitsu-Series turbo oil drain fitting is typically used with the Mitsubishi 14B, 16G, T25, T28 and bolt-on Evo 7/8/9/X turbos among ma...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM braided nylon -10AN turbo oil return line kit for Evo 7/8/9 is des...

The S90 direct bolt-on throttle body for Evo 7/8/9 is precision CNC machined from AL6061 T6 billet aluminum for increased durability. Available wit...

The STM Evo 4/5/6/7/8/9 stainless steel downpipe/o2 housing flange is perfect for those of you fabricating your own parts. This flange will fit wit...

The STM DSM stainless axle bracket spacer is used to fill the gap between the front axle half-shaft bracket and the back of the engine block where ...

The STM Clutch Fork Stop is a must-have for any Evo 7/8/9 or Evo X with a pull style clutch. This super easy install is designed to stop the throw ...

STM turbo outlet coupler for GR Corolla is a 90° high quality black silicone coupler designed for use with aftermarket 2.5" intercooler piping.Vehi...

The STM TiAL blow off valve weld flanges are made from 304 stainless steel and pre-machined for a perfect fit to either 2.5" or 3" aluminum tubing....

The STM Evo 8/9 ACD reservoir replaces the ugly, stock plastic tank with this beautiful lightweight aluminum piece. Available brushed, wrinkle or g...

The STM 4B11 Evo X/Ralliart engine torque plate is made in-house at STM from 6061 billet aluminum and includes a set of 4130 chrome-moly inserts to...

The STM T4 undivided turbo inlet gasket is USA made in-house at STM from 13 gauge (0.90") 304 stainless steel.Vehicle Fitment:• For T4 rectangular ...

The STM T4 divided turbo inlet gasket is USA made in-house at STM from 13 gauge (0.90") 304 stainless steel.Vehicle Fitment:• For T4 rectangular di...

This STM 4B11 exhaust manifold head flange is machined in-house out of 304 stainless steel and fits Mitsubishi 4B11 Evo X and Ralliart heads. The f...

The STM MAP sensor adaptor allows you to replace the OEM MAP sensor with an aftermarket pressure sensor that utilizes an 1/8" NPT thread. The new S...

The STM M14x1.5 magnetic engine oil drain plug can be used with most Mitsubishi cars including all Evo models, 1G/2G DSM, GVR4 and 3S. Also fits 19...

STM under-hood shifter cable bushings for 2010-2015 Evo X manual transmission models will give you firm, more consistent shifts. Upon install, we r...

STM Evo 7/8/9 adjustable lower rear control arms are designed for street use, road racing, drag racing and auto cross. These control arms will allo...

The billet STM Evo 8/9 water pump block off plate is designed for racecars allowing you to completely block off / remove your water pump. Perfect f...

The STM lightweight 925 (AGM28L) battery kit for Evo 7/8/9 is a great option to drop some weight, clean up the engine bay and still keep a reliable...

The STM Evo X fuel pressure regulator kit includes all fittings, hardware and line to go from your factory style fuel rail outlet to the Fuelab reg...

The STM 1G DSM radiator brackets are a direct bolt-on replacement for the stock brackets and available with the raw aluminum finish or anodized bla...

The STM 2022+ WRX stainless steel dual exit catback exhaust will bolt up to your stock or aftermarket downpipe utilizing existing hangers and inclu...

Audi OEM USMD crash bar is required to mount the STM Audi RS3 2017+ Intercooler STM-RS3-FMIC

The STM 2022+ WRX stainless steel single exit catback exhaust will bolt up to your stock or aftermarket downpipe utilizing existing hangers and inc...

The STM 2022+ WRX titanium single exit catback exhaust will bolt up to your stock or aftermarket downpipe utilizing existing hangers and includes a...

The STM 6-Bolt DSM Water Pump Block Off Plate is made from 3/8" thick aluminum and is designed for racing applications allowing you to completely b...

STM Titanium Lug Bolts for the 2021+ G80 M3 and G82/G83 M4 and 2020+ Supra GR. Made from GR5 Titanium and available with a bare finish or burned bu...

We have searched out the very best silicone hose manufacturers and are proud to offer our own brand of STM silicone couplers. We would not put our ...

We have searched out the very best silicone hose manufacturers and are proud to offer our own brand of STM silicone couplers. We would not put our ...

We have searched out the very best silicone hose manufacturers and are proud to offer our own brand of STM silicone couplers. We would not put our ...

The STM Radiator Brackets for the Evo 7/8/9 are USA-made, machined aluminum and are a direct bolt-on fit to replace your ugly, stock brackets that ...

STM Front Drag Brake Kits for the Evo X allow you to ditch the weight of your big, heavy Brembos and rotors and clears room to run 15" wheels and s...

The STM Intake Heat Shield for the Evo X is designed to protect your air filter from the hot air off your fans. Made in house of aluminum, this wil...

STM Evo 7/8/9 -AN upper radiator hose kit is an option for the STM Billet Aluminum Radiator if you are using the -16AN outlets. This kit includes ...