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Originally Posted by MrBimmer
Hey guys, its been a while since ive been on the forums... kinda took a break BUT!!
now that i am back and interested in outfitting my 1M with some parts i want to add a few things to this thread.
Maddad made a DP which was part of a set called the whisper quiet exhaust system. Wouldn't that dp work on the 1M ? the set includes the dp midpipe and rear section ( which obviously we wouldnt be able to use) Has anyone ever tried the quiet dp and mid combo on stock axel back combo before? Oh and i believe that there is a difference between the maddad 135i midpipe and the 1M maddad midpipe so perhaps the extra noise could be caused by having the 135i version of the pipe.
Also, i noticed that a few people mentioned that the 1M DP is an improvement over the 135i DP. ive also seen where people were saying that setting the COBB AP to stage 2 on stock exhaust was doable. Is it safe?
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dont set the cobb to stage 2 because it requires DP , cobb have maps that is specialized for the 1m and its different than the 135i or 335i maps , so if you want to set it to stage 2 you should have downpipes .
something about the thread , i am planning to get AR catless down pipes , after watching some YT videos , i think i will get it and get a resonated mid's with either eisenmann exhaust with their resonated mids , or HMS axle back with the stock mids or N55 .