Tomei Expreme Unequal Length Exhaust Manifold - Subaru STI VA Walbro Instead of having to purchase

Instead of having to purchase a new set of mounts if you want softer bushings

Each faceplate is double sided with standard PSI on one side and metric BAR on the other

Torque Rating (at crank) - 495 Ft-Lb

- Heavy-duty street & racing system

Tomei Expreme Unequal Length Exhaust Manifold - Subaru STI VA Walbro Instead of having to purchaseTomei introduced the high efficiency 4 1 as against the STD 4 2 1. The exhaust efficency of the standard exhaust manifold is not perfect. But Tomei 4 1 type exhaust manifold has high efficency. You could see the change of dramatically driving feeling. The complete equal length is good for the exhaust intervention but reduce the turbine performance and increase the exhaust resistance. Contrary to that, the not equal length exhaust manifold can lead the