Originally Posted by Sgood99si

actually yes, anything other than a OEM exhaust or factory option is illegal. most cops will not pull you over for just an exhaust unless its loud enough to give them a reason to. suspension is the same way, its illegal to have lowering arms and stuff on your car but only a dick cop will give you a ticket for it. just because the car passes inspection does not mean everything is legal.
ive been pulled over manyyyyyy times for it, and they always warn me of my suspension but never go the extra mile to ticket me for it.

Originally Posted by jack_reed

I know a couple cops and you will not get a ticket as long as you don't have holes in the muffler or gutted the cat, although if you are rude to a cop, get in a cops face or make smart remarks he will write you a ticket even if it is legal, but if you buy a magnaflow exhaust or flowmaster etc. then you won't get introuble for it being loud if you are not being rude or ignorent toward the cop