Ported MAF and TB
I couldn't tell a difference at all. But when you add up all the free mods/ inexpensive mods it all adds up.
Since you can do these yourself it is definatly worth it- also you get to know the car a bit better.
I would only do these when you are going to be getting a tune as by adding these on to your stock tune will make it idle high, and will need a tune to optimize gains, and it would be wasting money tuning the car for free mods- kinda defeats the purpose. Also talk to your tuner and do what he reccomends.
Since you can do these yourself it is definatly worth it- also you get to know the car a bit better.
I would only do these when you are going to be getting a tune as by adding these on to your stock tune will make it idle high, and will need a tune to optimize gains, and it would be wasting money tuning the car for free mods- kinda defeats the purpose. Also talk to your tuner and do what he reccomends.
You will get a few hp porting your throttle body as well as better throttle response, wouldnt recommend porting the MAF though. If you have any more questions feel free to ask.
Watch my video to see what a port and polished TB will do and what descreening the maf will do. Then you can see it with your own eyes on how many car lengths you'll get during a race with each mod, we also do Cold air intake as well.
http://videos.streetfire.net/video/L...ing_643805.htm
http://videos.streetfire.net/video/L...ing_643805.htm
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I would not do anything to your MF but a well ported and polished TB will usually make a 5-6 HP gain and noticably better throttle responce...it all adds up in the end ... no such thing as too much HP ... 
