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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 04-01-2007, 07:10 PM   #21
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As I have read on this site, you will NEVER outflow the factory exhaust. For us, changing the exhaust system are for these reasons:

1) Cat converter is shot and you get more for the money by going to a full exhaust upgrade as opposed to just "cut and paste". And ideally, this is the way to go, but sometimes money just doesn't allow that.

2) You want to be heard.

That being said, performance wise you should not see any difference between a good factory muffler (or OEM replacement) vs. a custom muffler. Where the gains come from (and it isn't so much a gain as it is a restoration of lost power) are when we change the cat converters. A resonator is really nothing more than a glasspack in most cases (though they can *also* be constructed similar to a genuine muffler) and again does nothing for performance but rather "tunes" the note of the exhaust.

My suggestion? If money allows, make it to where the new exhaust is sectional. That way, you can easilly bolt in the resonator (or straight pipe when the res is bypassed) to suit the situation. For long hauls, go with the rez. For around the town or street/strip, take the rez out. Simple!
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Old 04-01-2007, 07:56 PM   #22
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i just put a dynomax super turbo in my 99 SLE and it sounds awsome, deep like a v-8 and not at all annoying, just a little loud inside, but i also have a factory resonator
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Old 04-01-2007, 09:05 PM   #23
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what does the inside of a rez suppose to look like? Whats the difference between a autozone/murrays $5 rez pipe and something like a magnaflow rez?
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