I am now missing both of the tail pipes on my muffler on my 91 300D. (Yes, I know I need a new muffler.) Can that create back pressure issues? I ask because the car is noticeably sluggish these days. Filters fine, wastegate conversion, etc... Hoping it's not the turbo.

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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 160k miles
06 E320 CDI "Rutherford", Black on Tan, 180k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 145k mi, wastegate conversion, ALDA delete

19 Honda CR-V EX 79k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife