Hi my name is Casey Pratt I have a 2003 z71 Tahoe with a 6 inch rcx lift on 22’s with rolling big power 35” tires it has a BTR stage 3 cam,valves,springs,retainers with a intake and spacer on a ported 89mm throttle body with a no cat full 3inch exhaust dumped tuned by tommy blackard on ** tuners...