LB7 Duramax 5" Diamond eye cold start!

Cold start with my recently installed 5" Diamond Eye straight pipe exhaust to 8" tip
the MBRP is louder but this Diamond Eye has a nice deep tone and sounds amazing under load

Truck info:
LB7 Duramax
2002 GMC Sierra 2500 4x4
01 Chevy HD hood swap
Billet rivet style grille
Stock new injectors and cp3
Mag-hytec deep trans pan
Mag-hytec diff cover
K&n intake
NPBoosted turbo horn
PPE race fuel valve
PPE boost valve
Pyro and boost gauges from autometer
PPE Xcellorator stage 3 tune 120hp 200tq
6" RC-X lift kit rides great
35x12.50 General Grabber AT2s
17x10 M/T offset wheels
Halo headlights
Soft tonneau cover
Back rack
There will be more to come I just purchased an air dog 150 lift pump for it also