[adom]

It is a 1973 Ford Mustang GT

 

[ronnie]

If you want it louder put a cherry bomb glasspack

 

[riordain]

The best exhaust for any car is a custom exhaust. A professionally built custom exhaust will give you the sound you are looking for with improved performance and fuel mileage.

 

[innis]

http://www.pelicanparts.com/techarticles/964_muffler_bypass/964_muffler_bypass.htm this is what you need ok..

 

[gil]

a 2.5" dual system with a H or X pipe and 2 flowmaster super 44 mufflers.

 

[gerrard]

Flow-master or Straight pipes