He’s taking a slice out of crime.
Heroic pizzeria owner Louie Suljovic saved the day twice last week — first against a box cutter-wielding goon looking for a slice, then by stopping a reckless driver from speeding away after a crash outside his Queens shop.
The back-to-back serving of street justice began late April 1 — nearly four years to the day after Suljovic and his dad were viciously stabbed several times while trying to thwart a robbery.
Despite Suljovic’s past run-in at the wrong end of a hooligan’s knife, he unhesitatingly burst into action when an unhinged 34-year-old man burst into Louie’s Pizzeria in Elmhurst brandishing a blade, police said…