Back pressure measurement?

[Rev]

The reason I wanted to measure the back pressure in the first place, is because I noticed that the resonator exhaust tips that I'm using (Pace Setter Monza) actually restrict my 2.5" tailpipes down to 1.75" to allow room for the glass pack material. I figured that must hurt power by increasing back pressure. I have new Hooker non resonator unrestricted tips ordered fron Jeg's that should be here Friday.

First thing I'll do is retest the back pressure. Second thing I'll do is do a G-Tech run to see if there's any difference. Eventually, I'll get back to the track for definitive tests when the weather is cold and dry. I'm hoping for a few more ponies at the wheels. Might dyno it again if it looks like there are any gains.

Rev