Tomei Expreme Unequal Length Exhaust Manifold - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester XT / 2005-2009 Legacy GT / Outback XT PDM_piston-rings-and-clips Quiet Pre-Damper Mechanism reduces gear

Quiet Pre-Damper Mechanism reduces gear noise while the engine idles

High back pressure means the turbine has to work harder to push exhaust out — which means less energy available to spin the compressor wheel

AND DRIVER FEEDBACK

One (1) Deutsch DT pigtail

Beautiful Silver Metallic Finish

Tomei Expreme Unequal Length Exhaust Manifold - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester XT / 2005-2009 Legacy GT / Outback XT PDM_piston-rings-and-clips Quiet Pre-Damper Mechanism reduces gearTomei knew the importance of keeping that signature Subie rumble with an UEL manifold, but also wanted to improve over the stock manifold. To accomplish this, they have gone away from the cast material to a SUS304 Stainless Steel for the piping and flanges. Tomei Expreme UEL Exhaust Manifold Highlights: Unequal Length Design Increased Horsepower and Torque 4 1 High Efficiency merge collector Constructed out of SUS304 Stainless Steel hardware and heat