As someone who's owned many Vics in his time, I can say that the stock airbox and zip tube do not need to be modified. It will flow enough air to feed a mildly modified Vic just fine. Headers for a Vic cost as much as if you were buying another car at the auction so not really "affordable." ( Over $1,000 for a set of the cheaper ones.) A TB spacer doesn't really do

anything but make your throttle response a tiny bit snappier. With a little fabrication skills, there is a throttle body option for drive by wire cars. Get yourself a stock throttle body off a 5.4 liter 3V truck. Those are 75mm versus the 65mm that comes stock. Many CVPI's from 06 and up already have gears which are just fine for road trips and the occasional stop

light drag race. ( My 06 came stock with 's and a limited slip trac lock.) The biggest horsepower gain you will ever get is from a custom tune. A custom tune is money well spent, especially if you're on a budget like most people. Upgrading the exhaust system is another worthwhile expense. Anyone who wants to get more power out of their Vic should

concentrate on two things, upgrading the exhaust system, and getting a dyno tune. If you are going to put NOS on it, you should really think about upgrading the fuel pump to a high flow one considering the pump already in your fuel tank most likely has well over 100,000 miles on it. The first time your engine leans out on spray will be the last time it ever does.

Again, using a power adder like spray requires other things to support it like proper fuel supply and of course you need a tune to get it to run right. Unless you want your pistons looking like somebody used them for blowtorch practice, or sending a connecting rod through the side of your engine block. But before someone thinks about modifying their engine,

they should really make sure it is in good running condition. All sensors working properly, good spark plugs, and ignition coils, fuel pump in good shape or upgraded if planning on a power adder, changing the sloppy timing chains and worn guides that are bound to be on a car with over 100,000 miles like most Vics, and things like making sure they have changed

the fuel filter. No sense in modifying an engine that runs like crap because of worn or malfunctioning components is there? Doing all of those "free" tricks won't amount to a hill of beans if that 30 or so horsepower you supposedly picked up is being robbed because your check engine light is on because your O2 sensors are bad or your cats are plugged.