You can get a thrush glasspack from summitracing.com i'd put a 24" long - 2" diameter glasspack as a resonator to get a deep low tone without the raspy noise that civics have. It also helps to quiet the exhaust down so you don't get pulled over by cops.
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Dan
1992 Nissan SE-R
2001 MR2 Spyder
well i have a 2.25 inch custom cat back. and it deep rumble as well.. it not the high raspy sound of the civics etc. would a glasspack affect n-e-thing
i did this set up WAY WAY WAY before i knew n-e-thing about cars. called my local shop and asked and that what they recommend. oh wellz.. i cant complain.