old1goatroper@yahoo.com Posted September 1, 2018 Share Posted September 1, 2018 low rpm exhaust vibration, if rpm gets below about 2000, the whole car vibrates and i can't listen to the radio seats shake. when is lexus going to redesisgn the muffler. Quote Link to comment Share on other sites More sharing options...
Les Lex 2018 Posted September 3, 2018 Share Posted September 3, 2018 I have an 18 RX 350 also and have no problem with vibration. You may have some parts loose instead of a design issue. Quote Link to comment Share on other sites More sharing options...
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