hi i have a 5.3 ecsb and i was wondering what kind of exhaust should i use for the most horsepower and a good loud sound? i have been told to do an x pipe but i was also told that i shouldnt by someone else so i dont have any engine mods either so any help is appreciated thanks justin

 

please try the search button up top. if you still have questions post. a lot of the muffs are prefference. i like magnaflow

 

Throw out the cash and get the B&B or Corsa. I am poor, so I went with the best low money can buy, magnaflow!!!