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Bolt-on Tech: 4G63 intake, exhaust, intake manifold, ignition, fuel system, cooling, etc.

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Old 08-16-2004, 07:18 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #1 (permalink)
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Question

resonator, pre-silencer, muffler?


whats the difference? Id like to quiet down my exhaust system, which one to go with? I have a 3" system with hi-flow cat and magnaflow muffler and id like to quiet down the humming during normal acceleration and idle

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Old 08-16-2004, 07:51 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #2 (permalink)
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Muffler- I must believe you know what this is

Resonator - Basically its just a muffler before the muffler, it's straight through design packed with fiberglass or the sort to absorb some sound. Some people argue whether they really help or not

Pre-silencer - Don't think ive heard of PRE-silencer but i have heard of a silencer, which is basically something you can put on your muffler to help tone sound down a little more at the cost of hurting flow of course.

I really don't know how loud your exhaust is but it's never really going to be that quiet simply because its a 3" exhaust.

Hope that helps

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Old 08-16-2004, 08:36 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #3 (permalink)
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I'd go get a resonator welded in, at the local exhaust shop. I had one welded in because my exhaust was to loud and the resonator quieted it down quite a bit. Not all resonators have packing or whatever in them. Mine is straight through with little baffles on the walls.
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Old 08-16-2004, 09:21 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #4 (permalink)
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Quote:
Originally Posted by idt512
whats the difference? Id like to quiet down my exhaust system, which one to go with? I have a 3" system with hi-flow cat and magnaflow muffler and id like to quiet down the humming during normal acceleration and idle
I have a BR 3" cat back, welded a 3" resonator from Extreme motorsports. I'm guessing that it reduced the sound by around 5db. For me it's worth it, since I drive it 50 miles everyday to work.

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Old 04-03-2005, 02:04 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #5 (permalink)
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resonator helped my high load/rpm noise, but didn't really change idle.

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Old 04-03-2005, 03:22 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #6 (permalink)
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Quote:
Originally Posted by Mike1992
I'd go get a resonator welded in, at the local exhaust shop. I had one welded in because my exhaust was to loud and the resonator quieted it down quite a bit. Not all resonators have packing or whatever in them. Mine is straight through with little baffles on the walls.
That's the worst possible style you can use. They flow as much as a 2.25" pipe.

You want a perforated core, not louvered.


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