You're looking at the Tomei Equal Length Exhaust Manifold. This manifold is perfect for those of you on the quest to make more horsepower, more torque, and to get that all new boxer sound.
Here are more details:
4-2-1 Isometric design delivers optimum results for better top-end performance
All equal length design
Stronger and more precise lost wax collector to eliminate cracking in the welded weak points
Dry racing sound
Lightweight and rust-proof
SUS 304 stainless steel materials
Comes with new gaskets, hardware, exhaust wrap, and stainless steel zip ties take this manifold ready for the installation
Note: May not fit some Forester, Outback, and Legacy models with the OEM oil cooler.