will a stock Nismo exhaust fit Sport model
 

the tips look alot bigger, do they fit into rear valance?

Yes.

Covered. Search. There is a bracket that is different for one exhaust hanger but you can easily fab something. Btdt with Home Depot scrap metal. :)


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I just ordered a longer exhaust insulator from Amazon and it worked just fine when I installed the Nismo exhaust on my base.

http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER

where was this longer hanger used? drivers side/passenger side?
in the front piece, middle or back section.

will a stock Nismo exhaust fit Sport model
 

There are two hangers on the back muffler on the driver side
http://uploads.tapatalk-cdn.com/2016...3cddc7752f.jpg

Do the mid pipes fit perfectly in a sport model? And are all nismo catbacks the same for all years or is there difference ?

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Yes the mid-pipes fit perfectly.

I believe the nismo muffler changed manufacturer with the 2015+ but retained the same or similar design. Someone chime in if if I’m wrong

You are right. The tips will stick out more as well.

put a used 14 on my 16 Sport, fit great sorta,,the ovals are i believe5.5", bigger than the Sports 4.5s..I did have to add about 3/8" of washer on passengers rear back by the fuel pump,,other than that it is perfect sounding.

not fuel pump but fuel cannister or whatever it is..