RX - 1st Gen (1999-2003) Discussion topics related to the 1999 -2003 RX300 models

2001 Rx 300 muffler

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Old 06-09-10, 09:25 AM
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jagalchi88
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Default 2001 Rx 300 muffler

Hello!
I need to change the muffler on my 2001 Rx 300.
Does anyone know where I can get a stock muffler?
Or which mufflers do you use on your lexus?
I'm looking for a muffler that will give me a performance boost, but not too loud. Please leave comments or suggestions. Thank you!
Old 06-09-10, 10:00 AM
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tcheung87
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I just welded a Magnaflow 14829 after axle flange.

Last edited by tcheung87; 06-09-10 at 10:07 AM. Reason: Edit for image size
Old 06-09-10, 06:55 PM
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jagalchi88
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I checked out the sound on youtube for Magnaflow 14829. Those sound very loud lol but how are they in real life? do they seem loud?
Old 06-10-10, 05:03 PM
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kRonX
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I suggest Rod Millen Mufflers, if you can still find them for the the RX. I have had it on my RX since 02 and it sounds great. Not loud at all like the magnaflow. It has a low growl to it which is musical.
Old 06-10-10, 07:55 PM
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varithms
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If you want a stock one you can try car-parts.com
Old 06-10-10, 09:52 PM
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salimshah
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Whenever people talk about modifying the exhaust, I tell them to ride in a modified vehicle as this is what you will hear and it can be annoying at crusing speed.

Salim
Old 06-11-10, 07:02 AM
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Lexmex
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Originally Posted by salimshah
Whenever people talk about modifying the exhaust, I tell them to ride in a modified vehicle as this is what you will hear and it can be annoying at crusing speed.

Salim
This is such a true point.

I've found in my exhaust modifying experience, particularly with my current setup that I've had for two years (I still have future plans with it), is MUCH louder on the inside of the vehicle than on the outside. The resonance particularly with the resonator means the vibrations hit the ground and go back up into the vehicle as opposed to the muffler that also can shoot out the back. That's why some people kill the resonator altogether and go to pipes and a muffler on the back, but that can lead to rasping/farting noises and some extreme tones that can set off things like car alarms given the frequency (I know, I've been there a few years ago).

I've had my girlfriend drive my RX down the street and listen and it's not even remotely loud (at altitude back in Mexico, the vehicles seemed much louder, perhaps due to the thinner air), but here, I am completely shocked out much quiet my vehicle is compared to say a diesel pickup truck or even some of the bazooka mufflers that people have on subcompacts here. One of my neighbor's kids has an Mitsubishi Evo that is louder than my RX and another neighbor with a Jeep Wrangler has a louder muffler, too. Granted, my big muffler now has an indirectness to it (though still good for flow), but still the noise I have always found is louder in the vehicle than outside.

That's a very true point Salim.
Old 06-14-10, 06:47 PM
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varithms
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Originally Posted by Lexmex
This is such a true point.

I've found in my exhaust modifying experience, particularly with my current setup that I've had for two years (I still have future plans with it), is MUCH louder on the inside of the vehicle than on the outside. The resonance particularly with the resonator means the vibrations hit the ground and go back up into the vehicle as opposed to the muffler that also can shoot out the back. That's why some people kill the resonator altogether and go to pipes and a muffler on the back, but that can lead to rasping/farting noises and some extreme tones that can set off things like car alarms given the frequency (I know, I've been there a few years ago).

I've had my girlfriend drive my RX down the street and listen and it's not even remotely loud (at altitude back in Mexico, the vehicles seemed much louder, perhaps due to the thinner air), but here, I am completely shocked out much quiet my vehicle is compared to say a diesel pickup truck or even some of the bazooka mufflers that people have on subcompacts here. One of my neighbor's kids has an Mitsubishi Evo that is louder than my RX and another neighbor with a Jeep Wrangler has a louder muffler, too. Granted, my big muffler now has an indirectness to it (though still good for flow), but still the noise I have always found is louder in the vehicle than outside.

That's a very true point Salim.
electronic cut-outs.
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