Does anyone know the stock inlet flange size and the total length for a test pipe? I am having one built to bolt up to a 3" catback and need to flare it from stock. Thanks for the help

 

anyone? someone has to know...i need to know asap so they can ship with my exhaust.

 

or how about if the stock exhaust manifold is 2 or 3 bolt. Im 90 percent sure its 2, but need to make sure

 

The stock exhaust manifold has a 2.0" OD collector, with a two bolt flange that accepts a graphite "donut" gasket. The length of a test pipe between a stock manifold and stock exhaust is approximately 17" - 17.5".

 

hmmm...i called skunk2 and they said it was 2.25 with a flat gasket. ar eyou sure? I would look at my car myself but its in the shop right now lol. thanks

 

I am positive. The collector size on the Integra exhaust manifold is 2.0" OD with a graphite donut gasket. Perhaps Skunk2 was referring to the size of the inlet on the company's cat-back exhaust?