STM Tuned

The billet STM Evo 8/9 water pump bypass plate features a -16 ORB outlet. It was designed by the STM team and used in several STM race cars over th...

STM Titanium Lug Bolts for the Lamborghini Huracan models. Made from GR5 Titanium featuring a polished, burned blue finish and 2-piece floating col...

The STM Walbro 450 Package Deal for Evo 4/5/6/7/8/9 delivers enough fuel to trap roughly 140 MPH and make 600 WHP with E85. If you don't already ha...

Always looking for ways to make the engine bay cleaner, lighter and easier to work with, the STM Aluminum Valve Cover Fittings allow you to simply ...

The STM Universal Tial Blow off Valve Adapter allows you to add a Tial Blow off valve to any vehicle with a 1.34"/34mm flange without any cutting o...

If your dipstick has the bad habit of popping out of your tube and making a hazardous oil mess all over your engine bay, this little spring has bee...

This breather filter can be used with any application needing a 5/8 inch breather. This is also the replacement filter on the STM Evo Firewall and ...

The 4" STM High Flow Universal Air Filter is 7" tall and is a great versatile air filter with plenty of volume for limitless applications. Features...

The STM "GT-Series" turbo oil drain fitting gasket typically fits the GT Garrett series turbos, the new Garrett G-Series and most T3 FP turbos amon...

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 ...

"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...

The STM "G-Series" turbo oil drain fitting gasket typically fits PTE turbos, non-ball-bearing Garrett turbos. Measures 2" from bolt hole to bolt ho...

The all new STM Tuned T-Shirts are printed on the super soft American Apparel Tri-Blend shirts. These T's are a slimmer fit and do run fairly small...

The STM Evo X Stainless Valve Cover Bolt Kit is the perfect addition to add a clean, unique touch to your engine bay! Includes properly shouldered ...

The STM Stainless Valve Cover Bolt Kit includes 14 allen cap stainless steel bolts and 14 stainless steel washers. If you just took the time to hav...

The STM turbo inlet gasket is cut from T304 stainless steel, with a 14 gauge thickness and made in the USA! This gasket goes between your turbo and...

The all new 2019 black and red STM Tuned hats are here! Support your team and show off your new gear! Two FlexFit sizes are available. The black Fl...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM R35 GTR Transmission Overflow Catch Can is designed for high power...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" STM 3" 2-bolt stainless steel exhaust flanges are laser cut, made in the U...

STM Titanium Valve Stem Caps are the perfect accent to your new wheels! These titanium caps have been polished and hand burned for a unique, colorf...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" STM 3.1" 2-bolt stainless steel exhaust flanges are laser cut, made in the...

The STM o2 housing gasket for Evo 3 and 1G/2G DSM is cut from T304 stainless steel, with a 20 gauge thickness and made in the USA! This gasket goes...

Just the right touch for your interior! The STM Titanium Shift Knob is polished, then individually, hand-burned for a unique finish every time. Bel...

The STM Divided Turbo Outlet Gasket fits all Evo 4/5/6/7/8/9 RS, GSR, SE, MR and JDM models and features a 20 gauge thickness, cut from T304 Stainl...

STM Brake Lines for 2020+ Supra GR includes a full set of 4 lines for front and rear with factory style fittings for a direct replacement upgrade. ...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" STM exhaust flanges are USA made in Rochester New York laser cut from 3/8"...

STM Brake Lines for 2G DSM feature a smooth, black protective coating and includes all four lines with fittings for a direct replacement install. D...

STM Brake Lines for Evo X feature a smooth, black protective coating and includes all front and rear lines with fittings for a direct replacement i...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" STM 2.5" 2-bolt stainless steel exhaust flanges are laser cut, made in the...

STM Brake Lines for Evo 7/8/9 feature a smooth, black protective coating and includes all front and rear lines with fittings for a direct replaceme...

Stainless hose clamps for the Subaru WRX and STi upper and lower radiator hoses are sold as a complete set of 4. Fits all factory hoses, Mishimoto,...

STM Brake Lines for 1G DSM all wheel drive feature a smooth, black protective coating and includes all front and rear lines with fittings for a dir...

STM Brake Lines for Evo 4/5/6 feature a smooth, black protective coating and includes all front and rear lines with fittings for a direct replaceme...

STM Brake Lines for 1G DSM front wheel drive feature a smooth, black protective coating and includes all front and rear lines with fittings for a d...

Stainless hose clamps for the Evo/DSM upper and lower radiator hoses. These are sold as a set of 4 clamps for two hoses. Fits all factory hoses, Mi...

The STM Evo X Stainless Power Steering Bolt Kit is an easy upgrade for your old, rusted factory bolts! This kit pretty much covers the left side of...

The STM Small Battery Race Kit with the super lightweight LithiumPros C680 battery for the Evolution X weighs in at only 3.85 pounds! Fits cleanly ...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Evo X Stainless Intake Manifold Bolt Kit replaces all your worn, f...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Audi R8 Stainless Steel Exhaust for the 2017, 2018 and 2019 models...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM stainless steel exhaust manifold heat shield cover attaches right ...

The STM Evo X Stainless Headlight & Fender Bolt Kit is a direct replacement for your old, faded factory bolts. Because the details matter!Inclu...

The STM Evo X Stainless Engine Bay Bolt Kit includes a master set of 186 bolts, washers and nuts to replace your old, rusted and faded hardware wit...

The STM Evo X Stainless ECU Bolt Kit is an easy upgrade for your old, rusted factory bolts! This kit pretty much covers the right side of the engin...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Downpipe Flange for 2020+ Toyota Supra GR models is made of stainl...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Stainless Steel Catback Exhaust System for the Jeep Grand Cherokee...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Stainless Steel Axle-Back Exhaust System for the 2006-2013 IS250/I...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Stainless Steel Catback Exhaust System for the 2015-2020 Jeep Gran...

The STM-Spec Manley Evo IV-IX Custom 11.5:1 Pistons for 2.0L 4G63 are now available! These are the same gas ported pistons we have been testing in ...