Exhaust system options (archive)

I've seen ads for various aftermarket systems and, based on other postings here, consider their performance claims to be irrelevant. Do any of them actually increase (or, worse, decrease) performance? Anyone dyno before and after?

The aftermarket parts seem to sell for less than the OEM system. My main concerns are: sound (not too much louder than stock), fit, durability and that the performance be at least as good as stock.

Comments?

Thanks in advance,
Anthony

Follow Ups:

Re: Exhaust system options Matt Fetterman 13:06 12/24/2001 (1)
- Re: Exhaust system options ///M5AD 13:29 12/24/2001 (0)
Thanks for the replies (m) ///M5AD 14:12 12/23/2001 (0)
Re: Exhaust system options m5todd 18:38 12/22/2001 (3)
- Re: Exhaust system options Mel A 18:48 12/22/2001 (2)
  - Re: Exhaust system options agouram5 01:25 12/23/2001 (1)
    - Yes-the stock system weighs about twice as much as Mel A 08:38 12/23/2001 (0)

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