STM Tuned

The STM Small Battery Kit for the Evolution 4/5/6 is an essential upgrade, allowing you to not only shed the weight of the giantic, factory brick b...

The STM Small Battery Kit for the 3000GT and Stealth models is a direct replacement for your giant, heavy, stock battery and will drop 20 pounds fr...

The STM Small Battery Kit for the BRZ, FR-S and 86 is a direct replacement for the giant, stock battery and will drop 14 pounds from the front of t...

The STM Small Battery Kit for the 2G Eclipse and Talon is a direct replacement for your giant, heavy, stock battery and will drop 26 pounds from th...

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 Silicone Inlet Hoses for the V10 Audi R8, Lamborghini Huracán and the LP Gallardo features a smooth-flowing design compared to the rippled,...

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 ...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Turbo Oil Feed Line Kit for Evo VIII-IX is designed for the STM St...

STM replacement oring for TiAL Q, QR and QRJ BOV flanges. Works with STM and TRS flanges also. Includes: (1) O-Ring Vehicle Fitment: Universal P...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Sealed Engine Oil Catch Can for the Evo X plastic valve cover allo...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" This STM billet aluminum spacer is used to mount the ACC sensor if your RS...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" STM replacement 3" exhaust gasket and bolts. These are the same bolts and ...

This is the replacement harness used with the STM Denso-style coil on plug (COP) ignition kits for Evo 4-8 and Evo 9. Purchase includes the harness...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Turbo Oil Feed Line Kit for Evo X is designed for use with PTE Bal...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Remote Oil Pressure Line Kit includes everything needed to take yo...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Turbo Oil Feed Line Kit for Evo VIII-IX is designed for the STM Fo...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Remote Oil Pressure Line Kit includes everything needed to take yo...

These replacement springs are used with the STM Denso-style coil on plug (COP) ignition kits for Evo 4-8 and Evo 9. These little springs can get da...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Turbo Oil Feed Line Kit for Evo 4-9 is designed for the Garrett GT...

The STM Rear Toe Arm Eccentric Bolt Kit is comprised of all OEM Mitsubishi bolts for a perfect replacement fit on your 1995-1999 all wheel drive 2G...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Turbo Oil Feed Line Kit for Evo X is designed for use with Garrett...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Remote Oil Pressure Line Kit works with 1/8" NPT gauges and instal...

The STM Turbo Oil Feed Line Kit features a 24" stainless, braided, -4AN line to run from your oil filter housing to Garrett GT30/35R style ball bea...

The STM Rear Camber Bolt Kit is comprised of all OEM Mitsubishi parts to adjust the rear camber of your Evo X.  Includes: (2) Bolts 4117A018 (2)...

The STM Evo X Water Pump Bolt Kit is comprised of all genuine OEM Mitsubishi parts for a clean install and a guaranteed fit. This bolt kit matches ...

The STM Turbo Oil Feed Line Kit features a 24" stainless, braided, -4AN line to run from your oil filter housing to 16G/14B turbo or center section...

The STM Water Pump Bolt Kit is comprised of all genuine OEM Mitsubishi bolts for your new water pump. The longest bolt for the Evo 9 is just a bit ...

The STM R35 GTR Titanium Intake Pipes are hand-fabricated in the USA and a direct, replacement, bolt-on upgrade. Works with any turbo inlets that g...

The STM R35 GTR Titanium Intake Pipes are hand-fabricated in the USA and a direct, replacement, bolt-on upgrade. Works with any turbo inlets that g...

"Allow 7-10 Days For Parts Manufacture/Order Processing Before Shipping" The STM R35 GTR y-pipe with muffler is USA made from T304 stainless steel,...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Stainless Steel R35 GTR Catted Downpipes are a direct replacement ...

"Allow 7-10 Days For Parts Manufacture/Order Processing Before Shipping" The STM GTR Race Y-Pipe features a free-flowing, straight-through design, ...

The STM R35 GTR Aluminum Intake Pipes are hand-fabricated in the USA and a direct-replacement, bolt-on upgrade. Works with any turbo inlets that go...

Genuine OEM Mitsubishi factory replacement thermostat housing bolt kit for the Evo 7/8/9 models. Available as the full kit or separately as needed....

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

Replacement stainless steel hardware for PTE and Garrett turbo oil drain fittings. Includes two M8x1.25x20mm stainless steel button-head allen bolt...

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

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" This bolt kit is comprised of OEM Mitsubishi hardware for the 1G/2G DSM wi...

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 ...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Turbo Oil Feed Line Kit for Evo X is designed for use with the Sto...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Turbo Oil Feed Line Kit for PTE-Style (1/8" NPT Inlet) center sect...

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

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" The STM Turbo Oil Feed Line Kit for Evo 7/8/9 is designed for a journal be...

The STM Main Bolt Kit is comprised of all new genuine OEM Mitsubishi bolts and available for the 7-Bolt 2G DSM and Evo 4/5/6/7/8/9 models. Includes...

Genuine OEM Mitsubishi factory replacement front ball joint bolt kit for the Evo 7/8/9 models is comprised of all OEM Mitsubishi bolts. The bolts d...