Audi S3 by O.CT Tuning: 328Hp & 0-62mph in 5.7sec

Since Audi’s not planning to introduce an RS version of the A3 any time soon, O.CT Tuning, an Austrian company located at Lake Constance, has taken it upon itself to tweak the S3 hot hatch. O.CT’s engine package Step 3 (€5,886 or $8,631) includes a revised engine management and a new Y-pipe connected to a catalytic converter by HJS designed for racing purposes. A sport exhaust with a butterfly