Since I was getting an Apexi WS2 exhaust, I decided to take a couple comparison pics of the two before I shipped my RSR off to the lucky new owner.
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare019.jpg)
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare018.jpg)
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare020.jpg)
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare021.jpg)
RSR is just slightly longer, maybe .75"
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare022.jpg)
RSR is wider, but Apexi WS2 is taller
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare023.jpg)
Resonators are about the same size
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare024.jpg)
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare025.jpg)
RSR is longer because of it being a 2 piece design vs. the 3 piece design of the Apexi WS2
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare019.jpg)
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare018.jpg)
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare020.jpg)
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare021.jpg)
RSR is just slightly longer, maybe .75"
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare022.jpg)
RSR is wider, but Apexi WS2 is taller
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare023.jpg)
Resonators are about the same size
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare024.jpg)
![](http://i145.photobucket.com/albums/r218/kai21787/ApexiWS2RSRcompare025.jpg)
RSR is longer because of it being a 2 piece design vs. the 3 piece design of the Apexi WS2
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