how to return to stock?

[bt2715]

i want compare the difference between my stock truck and tuned truck. My dad atcually wants to see the difference. he doesnt believe tuners work haha.

[Dmaxink]

i want compare the difference between my stock truck and tuned truck. My dad atcually wants to see the difference. he doesnt believe tuners work haha.
Hi there, who is the tune from that you are trying to compare?