5.7 Hemi install

If you have an 05 PCM that came with the engine and trans it controls both. Should have 4 connectors. Manual trans PCMs are pretty rare.

I haven't heard of getting rid of the drive by wire using a stock computer. If you want to keep a cable operated pedal you can use a converter box from an 03 truck, but it is still drive by wire.

Not sure what will fit a B body, but grand cherokee exhaust manifolds fit in an A body with just a little grinding.