My custom built 76mm exhaust..long read

Discussion in 'Fiesta ST Engine Upgrades' started by Drifter, Mar 8, 2014.

  1. MOFiST

    MOFiST Member

    Great work and thanks for sharing this. Are you still on a stock tune? Is the car running well?
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  3. Drifter

    Drifter Member

    Yes, stock tune. I gained 10wkw and 50NM at 2500RPM. Took a while for the exhaust to bed in, but as you know it will always need a little carbon build up before its at its best. In hindisight , i should have put on more mileage before I did the after dyno. Big plus is that fuel consumption is also better, guess thats power to weight ratio working right there.
  4. moshaholic2

    moshaholic2 Active Member

    Firesail likes this.

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