Personal opinion, best exhaust for accord: RS-R EXMAG I, bought mine from TurboImport.com. Rocks my world, 60mm piping, only gains through the whole powerband, nice and quiet, and bloody deep growl! Especially at low RPM you hear it just go through 1k-2k and enjoy the pleasant sound.

www.rs-r.com
www.turboimport.com

Perfect size, perfect flow, perfect sound, and look! It's on sale!