I literaly got one from Ultrex, top quality, It si also rebranded Tomei (from the same factory). Get equal length plz, its more efficient way of collecting Exhasut gas, and it helps to even exhaust temp.

EL header will make car a bit laggier below 3K rpm, and I feel car has less torque a partial throttle. But above 3.5K, car pulls a lot faster.

U need to either ceremic coat or heap wrap the header to get the most of it, they help sending more energy to turbo.

__________________
MY08 STI 422whp at 1.5bar on E85, built by Diversion Garage, assembled and tuned by EvoR

Update from new owner: 375whp at 1.4bar on 98, at Tokyo Motorsport