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      03-17-2012, 05:54 PM   #105
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Drives: BMW i3 rex
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Originally Posted by mojo_78613 View Post
Sounds like a reasonable mod using an OEM part. I wonder why BMW did not consider using the N55 midpipe when this car was being tested and produced..... Is this an easy DIY or should one have a shop install? I saw a video posted by one of the vendors for someone who installed an N55 midpipe, Akrapovic slip on, and a wireless kit.... This set up sounds really good..... If I were to do this, I would have skipped the wireless kit... I'm also trying to find reviews for Ramus's Street Race which is slightly cheaper than Akrapovic's Slip on.... Any thoughts or pointers would be greatly appreciated... One thing that bothers me with some of the vendors, is they are trying to sell high performance exhaust systems and avoid providing facts that would help sell their item... Sorry for going off topic here... Cheers!
if im not mistaken the N54 pollutes more than the N55 that is why secondary cats are needed in the N54 setup.