Lemme recommend a muffler...
 

Flowmaster 40-series. If you get a new cat back then get this muffler. It gives you a great sound, nice and throaty, on acceleration. Cruising at steady speeds, it's surprisingly quiet. And, they only cost around $50-60.

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Garrett
'90 LX Hatchback 2.3L
5 speed, 3.73's, K&N, lots more mods on the way!
"Hey at least it's not a Chevy"