Last week got my kooks 1 7/8 in catless longtubes installed paired up with my corsa extreme. Sounds AMAZING at idle and low rpm but as soon as you get passed 3-4k rpm it just screams and sounds distorted and too LOUD. Got pulled over from a cop and was asking why it sounded so awful and he gave...
Has anyone even attempted to get an emissions check with catless longtubes and a tune? i dont have to worry about it for 3 more years since i bought the car new, i was just wondering if theres anyway around it? Here in ohio all they do is hook up to the ODB port and make sure you arent throwing...