Upgrade your Subaru's turbocharged EJ engine with the TOMEI EXPREME Unequal Length Exhaust Manifold (193082). Designed for Subaru WRX and WRX STI applications, this high-performance exhaust manifold features a high-efficiency 4-1 design engineered to improve exhaust flow, turbocharger response and overall engine performance.

Manufactured from premium SUS304 stainless steel, the TOMEI EXPREME manifold offers excellent durability, corrosion resistance and reduced weight compared to the factory cast-iron manifold. Its unequal-length design is developed to optimise exhaust pulse characteristics and support strong turbocharger performance throughout the rev range.

Designed for single-scroll turbocharger applications, this kit includes a turbine support pipe, thermal insulation wrap, gaskets, fitting hardware and installation instructions.

Key Features

• Genuine TOMEI EXPREME performance exhaust manifold.

• High-efficiency 4-1 manifold design.

• Unequal-length exhaust runner configuration.

• Constructed from SUS304 stainless steel.

• Designed for single-scroll turbocharger setups.

• 42.7mm main pipe external diameter.

• 60mm collector and support pipe external diameter.

• Lightweight construction.

• Includes 50mm x 15m thermal insulation wrap.

• Supports improved exhaust flow and turbocharger response.

Vehicle Compatibility

• Subaru Impreza WRX – EJ205

• Subaru Impreza WRX STI – EJ207

• Subaru EJ255 applications

• Subaru EJ257 applications

Important: Designed for single-scroll turbocharger configurations. Vehicle-specific fitment should be confirmed before ordering. Some applications may require minor subframe clearance modifications.

What's Included

• TOMEI exhaust manifold

• Turbine support pipe

• Thermal insulation wrap

• Fitting bands

• Gaskets

• Bolts and hardware

• Stickers

• Installation manual