Products

• STM Stainless Steel Exhaust Flange 2-Bolt / 3-Inch (SEF3) $25.00
• STM Stainless Steel Exhaust Flange 2-Bolt / 3-Inch Elongated (SEF3-EL) $25.00
• STM Stainless Steel Exhaust Flange 2-Bolt / 3-Inch Extra Clearance (SEF3-EC) $25.00
• STM Stainless Steel Exhaust Flange 2-Bolt / 3.5-Inch (SEF35) $25.00
• STM Stainless Steel Exhaust Manifold Head Flange for 4B11 Evo X $179.00
• STM Stainless Steel Exhaust Manifold Head Flange for 4G63 Evo/DSM $175.00
• STM Stainless Steel Mid Pipe Flange for Audi RS3/TTRS (SEF3-RS3) $25.00
• STM Stainless Steel o2 Housing to Turbo Gasket for Evo 3 / DSM $12.00
• STM Stainless Steel T3 Turbo Inlet Gasket $9.00
• STM Stainless Steel T3 Turbo Inlet Gasket (23 Gauge) *Discontinued*
• STM Stainless Steel Throttle Body Flange for 1G/2G DSM (DSM-WJ-SSTBF) $22.00
• STM Stainless T4 Divided Turbo Inlet Gasket (SSG-T4-D) $12.00
• STM Stainless T4 Turbo Inlet Gasket (SSG-T4) $12.00
• STM Stainless TiAL Sport Blow Off Valve Weld Flange $35.00
• STM Stainless Turbo Inlet Flange for Evo 4/5/6/7/8/9/X $75.00
• STM Stainless Turbo to Manifold Gasket for Evo 4-9 / Evo X $20.00
• STM Stainless Valve Cover Bolt Kit - 1G/2G DSM $23.00
• STM Stainless Valve Cover Bolt Kit - Evo 8/9 $35.00
• STM Starter for Evo 7/8/9 $300.90
• STM Stock Connector Metal Retainer Clips $2.00
• STM Stock Replacement Coolant Overflow Reservoir for Evo 7/8/9 $199.00 +
• STM Straight Silicone Reducing Couplers $14.00 +
• STM Subaru Driveshaft to Rear End Bolt Kit for 04-07 STi / 2022+ WRX $15.00
• STM T3 Turbo Inlet Flange $20.00 +
• STM T3 Turbo Manifold Merge Collector Flange (4 to 1) $275.00
• STM T4 Twin-Scroll Turbo Manifold Merge Collector Flange (4 to 1) $350.00
• STM Throttle Body Shaft Seals for DSM/Evo/3S $24.95 +
• STM Timing Belt Kit for 1G 6-Bolt DSM $530.05 +
• STM Timing Belt Kit for 1G 7-Bolt DSM *Currently Unavailable*
• STM Timing Belt Kit for 2G Early 1995 DSM $465.00 +
• STM Timing Belt Kit for 2G Late 95-99 DSM $440.24 +
• STM Timing Belt Preload Eccentric Pulley Tool (4G63 6G72) $29.95
• STM Titanium Bolts & Flat Washers (M5-1 x 12mm) $1.50 +
• STM Titanium Bolts & Flat Washers (M6-1 x 10mm) $1.50 +
• STM Titanium Bolts & Flat Washers (M6-1 x 16mm) $1.50 +
• STM Titanium Bolts & Flat Washers (M6-1 x 20mm) $1.50 +
• STM Titanium Bolts & Flat Washers (M8-1.25 x 12mm) $1.25 +
• STM Titanium Bolts & Flat Washers (M8-1.25 x 20mm) $1.25 +
• STM Titanium Castle Plug for 4G63 Evo DSM (CASTP) $19.95
• STM Titanium Exhaust Manifold Cover for Evo 8/9 (EMC-TI) $249.00
• STM Titanium Exhaust Manifold Stud Set for 6-Bolt DSM $139.00
• STM Titanium Exhaust Manifold Stud Set for 7-Bolt DSM & Evo 1-9 $139.00
• STM Titanium Lug Bolts for BMW F8X G8X Supra GR $249.00 +
• STM Titanium Lug Bolts for Lamborghini $499.00
• STM Titanium Lug Nuts (M12 x 1.5) $199.00 +
• STM Titanium Rear License Plate Bolts for Audi R8 $6.00
• STM Titanium Shift Knob (M10 x 1.25 Thread) $80.00 +
• STM Titanium Single Exit Cat-Back Exhaust for 2022+ WRX $1,749.00 +
• STM Titanium Valve Stem Caps (Set of 4) $20.00
• STM Titanium Valve Stem Caps Burned Blue (Set of 4) $30.00
• STM Top Mount Intercooler for 2015+ WRX *Currently Unavailable:*
• STM Transmission Overflow Catch Can for R35 GTR $249.00
• STM Tuned Badge $5.00
• STM Tuned Black/Red FlexFit Hat $25.00
• STM Tuned License Plate Frame $5.00
• STM Turbo Oil Drain Fitting Gasket G-Series $4.00
• STM Turbo Oil Drain Fitting Gasket GT-Series $4.00
• STM Turbo Outlet 90° Coupler for GR Corolla (1.5-2.5in) $38.65
• STM Turbo Outlet O2 Housing Flange for DSM $72.00
• STM Under-Driven Alternator Pulley with Raised Guides for Evo 4-9 *Backorder ETA 02/2026* $99.00