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      08-18-2013, 11:05 PM   #14
F12M6MD
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Drives: Rivian R1T
Join Date: Dec 2012
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Quote:
Originally Posted by delano
I just installed catted AMS a few days ago with stock exhaust and was feeling a little disappointed as well with power increase. Feels stronger in 2nd/3rd gear but I feel like it might have lost some top end in the 80 to 100 mph range. Hopefully it's just the ECU needing to adjust with some more miles.... I forgot to get it dynoed to see actual increase unfortunately.
Hey delano,

Are you getting any rattling noise when you are decelerating or coming down off revs?

Mark
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