when i did that for a few dyas til i went to the exhaust shop it didnt drone to bad until you where either between 2k and 1500 rpm the freeway wasn't bad to be honest. if you want good sound go larger diameter piping an x orh pipe some high flow cats and some good mufflers like delta 40's
my other ride is an ambulance!
1997 V8 sport - first car - sold 6/7/10
2006 silver mustang gt premiumcustom made grill, frpp shorty headers, pypes cat back exhaust, hurst billet pro shifter,