No cat, no resonators, stock muffler... rattling ??
12-09-2004, 07:00 AM
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No cat, no resonators, stock muffler... rattling ??
Hey, I don't exactly have a stock muffler system, but the canister itself is stock.
I have a stock gsr header, gutted cat, no resonators, 2.5" cat back mandrel piping to a new model type R muffler.
Problem ? Nothing seems to be touching metal, but from 3k to 6k rpm, I have a loud vibration/rattle sound eminating from around the muffler area. A muffler shop guy told me that because I have no cat/resonator, the un restricted exhaust flow is causing the stock chambered muffler to resonate.
I am kinda skeptical on this as I had the shop install the muffler and they say it's perfect, with no metal to metal contact.
So is this true ? Do I need to shell out another $100 for a 2.5" resonator ???
I have a stock gsr header, gutted cat, no resonators, 2.5" cat back mandrel piping to a new model type R muffler.
Problem ? Nothing seems to be touching metal, but from 3k to 6k rpm, I have a loud vibration/rattle sound eminating from around the muffler area. A muffler shop guy told me that because I have no cat/resonator, the un restricted exhaust flow is causing the stock chambered muffler to resonate.
I am kinda skeptical on this as I had the shop install the muffler and they say it's perfect, with no metal to metal contact.
So is this true ? Do I need to shell out another $100 for a 2.5" resonator ???
12-09-2004, 11:45 AM
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Re: (X2BOARD)
I have a rattle too, also coming from the muffler area. I'm running a 4-2-1 header, carsound cat, 2 1/4'' mandrel bent piping w/ resonator, and a stock LS muffler. I think the muffler guy is correct about the chambered muffler to resonate. THe rattling is quite annoying tho, especially when you're tryin to get WOT, and all you hear is a buzz. If anyone has another advice, please share it
12-10-2004, 04:41 AM
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Re: (blacknbean)
Hmmm... you are both running a cat...
I've never heard the rattle on a chambered muff before this. Anyone else have input ?
I've never heard the rattle on a chambered muff before this. Anyone else have input ?
12-10-2004, 06:22 AM
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Re: (hondaevo)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hondaevo »</TD></TR><TR><TD CLASS="quote">My friend has the same prob as you guys. Just buy aftermarket catback 
</TD></TR></TABLE>
yeah you are not gaining anything by running your setup actually I would think that you are causing more harm then good
</TD></TR></TABLE>yeah you are not gaining anything by running your setup actually I would think that you are causing more harm then good
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12-10-2004, 06:41 AM
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Re: (gh0st32)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by gh0st32 »</TD></TR><TR><TD CLASS="quote">
yeah you are not gaining anything by running your setup actually I would think that you are causing more harm then good</TD></TR></TABLE>
Jeez... if I had a nickel for every time someone told me that ! lol
I am running this exhaust setup purely for aural reasons... the 2.5" straight thru exhaust I was running was too loud for me daily, so I made due with the loss of top end and went with a chambered muffler (can't afford another twin loop right now). The low end gained some tho... so it was a trade off.
Problem is... now the rattle/resonation is about as loud as a N1 muffler for a few thousand rpm, so I'm kinda losing the reason I did this...
yeah you are not gaining anything by running your setup actually I would think that you are causing more harm then good</TD></TR></TABLE>
Jeez... if I had a nickel for every time someone told me that ! lol
I am running this exhaust setup purely for aural reasons... the 2.5" straight thru exhaust I was running was too loud for me daily, so I made due with the loss of top end and went with a chambered muffler (can't afford another twin loop right now). The low end gained some tho... so it was a trade off.
Problem is... now the rattle/resonation is about as loud as a N1 muffler for a few thousand rpm, so I'm kinda losing the reason I did this...
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