Now i know there are not alot op eg coupes out there but if anyone has one with an es oval exhaust can u tell mehow your weld/custom setup is , because i want to know how much work there will be before i order it. MY friend had bought a universal N1 and it was not going to fit on his car at all ,the inlet was way to big i think 3.5" whats a good size to order for the esoval 2.25" or 2.5"

 

id go with the 2.25 i had this on my coupe, wiht the 2 1/4 piping from the downpipe with out my cat, sounded ok, no restriction at all in the exhaust good stuff

 

i would go with the 2.25 IMO.

 

first off what motor is in your car? This may help you decide whether or not to go with 2.25" or 2.5" muffler and piping. I would just order the muffler and then just go to an exhaust shop and have them weld up some custom piping with a resonator.