Rattling or knocking noises from your vehicle are the most common signs that you need a new exhaust. Any rust on the exhaust can also be a sign that an upgrade is due. When you bid we pre-authorize your credit card for the service fee (this helps prevent fraud). If you win the auction, your card will be charged for the service fee and you pay the seller directly for the vehicle. If you don't win, your existing pre-authorization will be released.
Considering cat-back exhausts replace more restrictions, they typically offer increased performance and noise compared to axle-back systems