What can I expect to pay for installation of 4.10's and/or an SLP catback system? Kinda tight on money so all of this really helps. Thanks.

 

catback you should do yourself, if you get it installed though, expect 50-80. gears i got down for 500 for everything. then it was another 100 for the speedcal on top of that.

 

Good point, I just looked up some install instructions for cat-backs and it doesn't look that hard at all. Thought there would be some welding involved. Shows how much I know. Thanks.

 

Everything nanaki said is about what I paid. I wimped out and had a muff shop install the catback because I was changing the midpipe at the same time, and after it was done I am glad I did it that way. Good choice on the Loudmouths by the way, they were running about $360 shipped when I bought mine (1st generation), and the fit, finish, and obnoxious sound is excellent.

 

for me, it was only 370 for everything. it was a local mustang performance shop that did the work, they do excellent work!