A vehicle condition where the exhaust gases flow directly from the engine block to the atmosphere through unrestricted pipes. A straight-piped car produces a harsh, extremely loud exhaust note and fails standard emissions tests. Mechanics often see this modification on track cars or rural trucks where noise ordinances are loosely enforced.
Heard on the job
He brought in a straight-piped Civic complaining about a check engine light, but the oxygen sensors are completely gone.
Do not mix it up with
- Straight-pipe: Straight-pipe is the action of modifying the exhaust, while straight-piped describes the finished vehicle.