Answer
Oct 02, 2025 - 10:30 AM
Yes , if you install the XForce Hyundai Elantra N-Line 1.6L Turbo Downpipe Kit, you most likely will need a tune. A Stock ECU may run without a CEL for some time if the downpipe is catted, but for optimal performance and reliability, a tune is recommended after installing this XForce downpipe.
