16g fit a stock second gen exhaust manifold and downpipe?

[CorrupTTalon]

will a 16g fit a stock second gen exhaust manifold and downpipe? if not the mani atleas the down pipe? what about oil in and return lines?

ive searched but couldnt find any direct answers

 

[flytalon93]

http://www.plymouthlaser.com/evo16g2.htm

 

[CorrupTTalon]

so will any down pipe work? what diameter will it need to be? 2.5 or 3" to match up to the 16g? and are the small16g, big 16g and evo 16g all the same when it comes to fitting?

also will i need larger gaskets than stock? and what ones?