Nameless overpipe
 

I may have an opportunity to purchase a used Nameless high flow overpipe which I think is one of the earlier designs. It look like the one from this site: https://www.google.com/search?source...NdMN0N-72k089M. My question is, will this install with no fitment issue on to a 2013 FRS? Tried searching the forum but couldn't find if there is an issue.

That's an overpipe and frontpipe combo. It won't have any issues.

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The other part that I wanted to know was if this older design of overpipe and front pipe combo would work on an automatic 2013 FRS. I ask because I saw one of the website that sells it (with the newer design - round resonator) has a statement that "...it now works with manual and automatic cars." Does it now imply that older/earlier design (with the boxier resonator design) wouldn't work with an automatic?

Call nameless and ask, they are friendly people. I believe their OP/FP combo early on has different ones for auto vs manual.

That was what I thought and what limited/bit and pieces of information from the internet. I also just called them right now and they are unable to help me saying that no one there can tell me since its been approx. 7 years that they had made it.

Bummer, if I had the time I would pull mine and take measurements for you.

If only I could find photos of the different iterations of their design than that could definitely help. They guy I would be buying it from has a manual and I would be installing it into an automatic. Anyway, I will try to keep searching the internet to see if I am able to find more info.