Tomei Expreme Ti Titanium Muffler - Subaru WRX STI VAB VAG Chassis Collars The header is manufactured from

The header is manufactured from SUS304 stainless steel

25" Crank pulley -> Use Belt HYB-BLT-00-02 -> 50

It's not a cheap cast housing with rubber seals that'll fail after a season

preventing foreign objects from entering the line

The system pairs a carbon fiber patented Venturi filter housing with an integrated MAF (Mass Air Flow) section

Tomei Expreme Ti Titanium Muffler - Subaru WRX STI VAB VAG Chassis Collars The header is manufactured fromHigh quality production, for true competition use without compromise. Only the best Titanium grade materials are used. From the special racing layout design, made as straight as possible, to the high flow silencer. We have poured our knowledge into it all. When you see our EXPREME Ti system, you can then understand that ours is unrivaled.