[GreymaroSS]

I got three questions the first is how do you all feel about the NPP quad exhaust being added as an aftermarket mod meaning do you think it's too quiet and not worth the money to be an aftermarket upgrade.My second question, is there any sites that Yall know of that sells the NPP quad exhaust because I been looking and can't find any that's for sale. My last question is can I buy a NPP catback exhaust setup from my local Chevrolet dealership? Thanks in advance