I recently purchased a 2011 GT
. The prior owner installed a street cat-back magnaflow exhaust. I've been looking to add an O/R H or X pipe. Haven't decided yet. Does anyone know if I will have problems getting the car inspected with an O/R pipe. I know that it will throw off the rear air sensor causing the check engine
light to come on and that can be fixed with a tune. I live in NC, not sure if that matters or not. Any advice will be great. Also, is it expensive to have a tune done? This is all new to me...