Exhaust resonating way too much- Any quiet Ideas?
Exhaust resonating way too much- Any quiet Ideas?
I've done some searching around the forum, but came up w/ nothing. My exhaust system resonates WAY too much for my taste. Especially cruizin on the freeway around 3500rpm doin 75 to 80mph... Oddly enough, doin 70 is almost dead quiet from the exhaust...
I have a RB header, bonez cat, and a borla catback. I was curious if a muffler such as this: muffler put in place of the cat, would acutally quite this exhaust down some. Otherwise, what would you reccomend I put inplace of the cat (I dont want to weld in something when I can simply replace the bolt in cat.)
Thanks guys.
I have a RB header, bonez cat, and a borla catback. I was curious if a muffler such as this: muffler put in place of the cat, would acutally quite this exhaust down some. Otherwise, what would you reccomend I put inplace of the cat (I dont want to weld in something when I can simply replace the bolt in cat.)
Thanks guys.
In my experience, an RB presilencer doesn't do much muffling at all. I'd reccomend a Borla XR-1 muffler in place of your main cat. You would probably have to get some more pipe welded to one end of the Borla to meet the length requirments. IIRC a stock cat is 18in. Then get some flanges from Racing Beat or somewhere welded on and you're good to go.
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Read the Mazdatrix exhaust narrative.
http://www.mazdatrix.com/e1.htm
That muffler, according to them, will probably last less than a week, so it's not a good idea.
I've got the stock manifold going to a full RB setup (downpipe, presilencer and catback). This is one of the quietest aftermarket systems around, and it resonates quite a bit at around 3000rpm. I think it's just a characteristic of the rotory and it's exhaust pulses, the system length and the collected exhaust. I had to put the cats back on to pass emmisions and it was much quieter, but I could still hear the drone a bit. Probably the only practical solution for you is to make the whole thing really quiet and then the droning will be much less noticable. Going to a true dual setup may help move the droning up in the rpm range or eliminate it all together, don't know. I'd be willing to bet that going with a side exit exhaust (under passenger door maybe?) moves the drone out of the normal rpm range for street driving (due to the shorter tube length).
http://www.mazdatrix.com/e1.htm
That muffler, according to them, will probably last less than a week, so it's not a good idea.
I've got the stock manifold going to a full RB setup (downpipe, presilencer and catback). This is one of the quietest aftermarket systems around, and it resonates quite a bit at around 3000rpm. I think it's just a characteristic of the rotory and it's exhaust pulses, the system length and the collected exhaust. I had to put the cats back on to pass emmisions and it was much quieter, but I could still hear the drone a bit. Probably the only practical solution for you is to make the whole thing really quiet and then the droning will be much less noticable. Going to a true dual setup may help move the droning up in the rpm range or eliminate it all together, don't know. I'd be willing to bet that going with a side exit exhaust (under passenger door maybe?) moves the drone out of the normal rpm range for street driving (due to the shorter tube length).
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msilvia
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Apr 14, 2016 12:58 PM
