If you were to do the exhaust, you won't need to get a programer... If you did a full exhaust, you are looking at some dollars. And it really is a lot of dollars for little gain. The most gain would be with a high flow mid-pipe and cat-back... If you just want the car to have a little bit of a rumble, the cat-back would suffice. Even just getting some different mufflers welded on to your stock cat-back... Now I have 3.73s on mine. I get to 40 in 1st (you should get to 44) 70 in second gear (you should get to about 77) I get 100 out of 3rd (you get 110)... To figure 4.10s, you would look at about 37 out of first, 66 or so in second, and so on and so forth.

 

When you are cruising at 65, what is your rpm's.

 

Alright Hawkti... I had to refresh my memory... don't really pay that close attention to the RPMs when cruising... (this is with 3.73s and all other variables still in stock form)...

65 is ~ 2200 RPM

70 is ~ 2300 RPM