So- yes. an excellent tune on a slightly juiced dyno will make 500hp on stock everything (just DP) for whatever reason, I was assuming locked ECU- and given the questioned assumed no unlock.
You have to design and engineer the manifold, that's not free, but even if it was.
* The intercooler core itself is premium
* The fittings
* Hoses
* Replacement Gaskets
* Spacer
* Misc bolts and screws
* Fuel rail
* Billet to make the housing
* Machining all of that
There's a lot of bits to...
500hp - jb4, downpipe, meth, e40.
you don’t need an intake, you don’t need an exhaust, you only need a chargepipe because of the fact you need a methanol bung.
There’s no need to change ignition coils. All of the cars with 1000+ hp use factory coils. Intake manifold… sure. I recommend that for...