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as for right now i just plan on doing bolt on mods and gears...
In that case, keep the stock MAF. You will see no big gains with a new MAF. I have a HEAVILY modded (really nothing more you could do to a 4.6 2V) and have the stock MAF. Spend the $$ somewhere else.
If you are talking about the upper intake plenum...I always liked my C&L, but I bought mine when C&L was the only company making aftermarket plenums. Accufab makes a good plenum, but they are really expensive. I ran a friend that had the Accufab with an Accufab 74mm TB and I had my C&L with BBK 75mm TB and we were dead even.
If you are talking about a cold air intake, I really like the JLT.