Resonator Delete on 2012 E550 Coupe





About six years ago, I removed one secondary Cat (was rattling inside) and the resonator , replaced with straight steel pipes for I guess 18", on a 2001 E320 and really liked the results. At the same time put in a Remus muffler. The E320 tranny died at 186k miles last week and I decided it wasn't worth it to pay for a rebuild, so I bought CPO E350 coupe to replace.




About six years ago, I removed one secondary Cat (was rattling inside) and the resonator , replaced with straight steel pipes for I guess 18", on a 2001 E320 and really liked the results. At the same time put in a Remus muffler. The E320 tranny died at 186k miles last week and I decided it wasn't worth it to pay for a rebuild, so I bought CPO E350 coupe to replace.
https://mbworld.org/forums/e-class-c...arket-mod.html
I would say very little risk as cost is very low and if you don't like the sound, just have the resonator put back.
I do like the increased aggressive sound at the higher RPMs with little impact on sound at lower RPMs.
Good luck and look forward to hearing about your results.
Last edited by ffr2014; Jan 4, 2016 at 01:51 PM.
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Is a lot louder with the resonator off?
I cant decide whether to just delete the resonator or the secondary cat too
I also was thinking of secondary cat removal but after reading several threads on this forum, the resonator delete only with straight pipes was the best (and simplest) choice for my tastes.


