Hyundai Forum: Hyundai Performance Forum banner
1 - 2 of 2 Posts

· Registered
8,316 Posts
Cold air intake definitely.

An ECU doesn't do much good on a Hyundai unless you have EXTENSIVE mods done to your car and need some tuning done.

<img src="" border=0>
1 - 2 of 2 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.