Blox Racing O2 Bung (1018 Mild Steel) and Fitting kit (T304) - BXFL-00106 +63mm Offset The Subaru FA engine has

The Subaru FA engine has 3 ports that vent crank pressure: one on each cylinder head and another on the top of the block

This setup works perfectly with our K-swap throttle cable (HYB-TRC-01-10) and any EF

The layout of this COBB 3" SS Cat-back was chosen to minimize the total bend degrees used to route the exhaust piping for reduced back pressure

Leg Length From Tangent: 3

Can Be Used To Measure Other Temperature Metrics

Blox Racing O2 Bung (1018 Mild Steel) and Fitting kit (T304) - BXFL-00106 +63mm Offset The Subaru FA engine hasBLOX Racing offers a full line of DIY performance parts. BLOX Racing oxygen sensor bungs and fitting caps are available for any custom header or exhaust system requiring sensors or custom mounting locations.