STM T4 Twin-Scroll Turbo Manifold Merge Collector Flange (4 to 1) Weld Part Number: Single Side: Dual

Part Number: Single Side: Dual Side: 10820 Single 3/8" NPT Dual 3/8" NPT 10821 Single 1/2" NPT Dual 3/8" NPT 10822 Single 1/2" NPT Dual 1/2" NPT

Whether you are running too rich and need to back off the fuel pressure or if you are running too lean on your current injectors and need to raise base fuel pressure

The improved boost spool delivers increased throttle response across the whole RPM range

• Temp range from -94°F to 500°F

H&R Sport Sway Bars increase your suspension’s roll stiffness—or its resistance to roll in turns—while maintaining ride comfort and dramatically increasing cornering control

STM T4 Twin-Scroll Turbo Manifold Merge Collector Flange (4 to 1) Weld Part Number: Single Side: DualDescription: When making a custom manifold, the collector is one of the most tedious parts. Since we are fabricating these in mass quantities anyhow, STM can save you the headache and you can pick up this starter piece. The collector is fully tig welded to the T4 flange for a twin scroll turbo. The fun part is left for you. Features: 4 Runners to 1 Schedule 10 Stainless Steel Runners Mild Steel T4 Twin Scroll flange M10 x 1. 50 Threaded Bolt Holes