Tomei Expreme Exhaust Manifold - Subaru EJ205/207/255/257 Unequal Length For Single Scroll K-Swap Parts The outlet pipe is widened

The outlet pipe is widened compared to the stock item

suitable for all forms of racing as well as street applications

53541-S7A-003

The aluminium anodised washers are expertly countersunk for a seamless look and come with stainless steel bolts that match flawlessly

Tomei Expreme Exhaust Manifold - Subaru EJ205/207/255/257 Unequal Length For Single Scroll K-Swap Parts The outlet pipe is widenedWe 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