Why do you think you need one for the nct though? Mine passed fine a few months back with a 3.5inch catback into a 4.5inch tip. Once you have the cat in you'll be fine
Why do you think you need one for the nct though? Mine passed fine a few months back with a 3.5inch catback into a 4.5inch tip. Once you have the cat in you'll be fine
True but better safe than sorry every engine gives out different levels.