Originally Posted by BillBoost37
Ported Exhaust Manifolds.. however if you are thinking headers..save your money and get them.
3.4 is an adder..but unless you have a multi pulley system..it might not be worthwhile.
The stock injectors are quite good and will serve you well for many more mods before needing to be upgraded.
The throttle body spacer will have no positive effects beyond less money in your wallet.
I have a 3.5, will there be much difference going to a 3.4?
Would new rockers / lifters do anything with stock heads?