Whats all needed for installing 15gs? Not the mods needed, but any necessary gaskets or bolts or anything? I'd like to know so I can order all the parts when ordering the 15gs.
Thanks
Josh

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1992 vr4

Aside from all the exhaust gaskets (manifold -> turbo & turbo -> O2 housing), get new crush washers for all the coolant & oil lines. You'll also need the gaskets for the O2 -> downpipe, and it's a good idea to get a intake plenum gasket kit (EGR, throttle body, & upper/lower intake plenum) cuz you need to take the plenum off too to get at the rear one.

On a car as old as yours, it's also a good idea to just flat out replace the oil lines. On older cars, they become brittle and crack/break easily if they're not already clogged with carbon. M-Spec sells the most beutyful aftermarket lines I've seen for a fair price. Of coarse, you need the gaskets for them as well (where they bolt to the oil pan).

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06 Blue EVO 9