Well, I had a chance to re-work my exhaust a little. I eliminated the rear-most muffler and left the resonator, and WOW i noticed an increase in throttle response immediately

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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FACEBOOK: PANZER450