RX - 4th Gen (2016-2022) Discussion topics related to the 2016 and up RX350 and RX450h models

Muffler Delete

Old 11-18-17, 01:59 PM
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lianomorga
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Default Muffler Delete

I have a 16 RX, if I take out the muffler just to see how it sounds. Would it do any damage & create a check engine light? Will it be easy to put back? Thank you.
Old 11-18-17, 06:10 PM
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Mike728
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Why would you even think about doing this? It would sound like any 6-cyl missing its muffler.
Old 11-21-17, 08:59 AM
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skiracer
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That sounds mean!
Old 11-21-17, 09:11 AM
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I'm assuming you're referring to mid-muffler delete? I'm not positive if there is a mid-muffler on an RX, but if there is you shouldn't get a check engine if you were to replace with a straight pipe. You wouldn't do any damage, and it would take a muffler shop roughly 30 minutes to cut out your muffler and weld a straight pipe. It would sound a little better, but nothing crazy loud. Replacing the stock resonator would be the next step. If you're going to try anything at all, start small and slowly work your way through mods to get the sound you like.

Doing all of this on an RX doesn't really make sense given the type of vehicle
Old 11-21-17, 10:12 AM
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Hubs
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Originally Posted by FSportWaxy
Doing all of this on an RX doesn't really make sense given the type of vehicle
I disagree. Lexus seems to be concerned about the exhaust sound, otherwise they wouldn't have added a sound generator.
Old 11-21-17, 03:42 PM
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mspearl95
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I like the sound of the Fsport, but I sure wouldn’t want my RX to sound like the car in that video.
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Old 11-21-17, 05:49 PM
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jvinhj240
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do catback
do lower
do new wheel
then yes

delete alone = yuck ..just imo
Old 11-24-17, 06:05 PM
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Originally Posted by Lexlife123
Iï¸ did that to my 2016 es. Sounded pretty good. But then Iï¸ got a real cat and res delete with stick mufflers now Iï¸t sounds like a monster! Gonna get them removed soon so it €™s straight piped but for now it €™s plenty loud.
https://vimeo.com/241959415
I personally don't like it now, but when I was a teenager...yep!
Old 12-01-17, 09:41 AM
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FSportWaxy
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Originally Posted by Hubs
I disagree. Lexus seems to be concerned about the exhaust sound, otherwise they wouldn't have added a sound generator.
The sound generator essentially enhances the sound in the cabin, virtually no change when listening to the car outside and has no function with the muffler system at all. The tone of the generator is nothing like the sound you get when deleting a mid-muffler, which would be more raspy.
Old 12-01-17, 09:48 AM
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Htony
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Originally Posted by Mike728
Why would you even think about doing this? It would sound like any 6-cyl missing its muffler.
OP must like noise(?) It won't give high performance car sound by just taking off the muffler, LOL! Out there many cars sounding like mosquito running around but they don't run fast. Kids trying to imitate real thing, it ain't gonna make any difference but making annoying noise.
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Old 12-01-17, 11:26 AM
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Nail34
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Originally Posted by Htony
OP must like noise(?) It won't give high performance car sound by just taking off the muffler, LOL! Out there many cars sounding like mosquito running around but they don't run fast. Kids trying to imitate real thing, it ain't gonna make any difference but making annoying noise.
The OP asked "if I take out the muffler just to see how it sounds. Would it do any damage & create a check engine light? Will it be easy to put back? Thank you"
Where did you get the idea that he was like a kid asking for more performance??
Old 12-01-17, 12:04 PM
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Htony
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Originally Posted by Nail34
The OP asked "if I take out the muffler just to see how it sounds. Would it do any damage & create a check engine light? Will it be easy to put back? Thank you"
Where did you get the idea that he was like a kid asking for more performance??
Op can chime in to clarify, I guess. Probably taking muffler off will lower the back pressure but I don't know how much.
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