mrbassman001

So my muffler just rusted off the end of my exhaust and I'm looking to replace it with a twin loop muffler, but I have a few questions.

First question is would the OBX twin loop even fit properly on my EJ1?

Then the inlet for the OBX twin loop is 2.5" while I believe the exhaust is 1.75" which leads to my next two questions:

Can I flip exhaust reducers around to make them "expanders"?

If I can, is it wise to weld two reducers together to make up the big difference?

thumper64

Check the rest of your system. It's probably rusty too. If that's the case, get a catback off eBay and put the twin loop on that, or find a used Apexi WS2 system.

mrbassman001

I checked the rest of the system... it's fine, it was just a cheap muffler.

I don't want to waste a perfectly good exhaust.

gotbooost

are you going to weld it up yourself? if not you can ask a local muffler shop for a quote for this work. they usually have those reducers there or they can fab something up to make it work.

mrbassman001

ya i was gonna have a local muffler shop do it but i just wanted to collect all the parts.

will the twin loop fit?