How strict is Hyundai's warranty when it comes to tuning your car. Some things I either know or highly doubt they'd care. Like if I installed a regular K&N air filter. However, what is the consenus opinion of where they will balk on your warranty if you do to much?
Tuning ideas I had were muffler, cat back, coil overs with very modest lowering, sway bars...
Tuning ideas I had were muffler, cat back, coil overs with very modest lowering, sway bars...
