I don't think your fiero would sound louder unless you would remove the cat. convertor, or
add a performance exhaust.
BTW, I hope you installed the 6 springs that hold the muffler in position.
If not, you have a good chance of the exhaust hangers you bought will fail.
Let us know...
88 GT, Loaded, 5-speed.
88 GT, 5-speed. Beechwood interior, All original.
[This message has been edited by fierogt28 (edited 09-28-2014).]