Thanks again Larry, you've been very very helpfull to me!

Last question... As I did'nt found the answer yet from what I'v read: When you make the original backup and then install the Diablo tune, I guess the ignition (key) sould be at "on" without the motor running? Am I right?

Thanks again Larry,
I think you've just convinced me to go with the 14834. My wife and I love to go on vacation with the conv a few times during summer and we don't want to get a headache for driving a few hours with the car. I want to imrove the sound, for sure, and I think the 14834 will do just ...

Thanks for your response Larry.

Concerning the K&N, I must be honest with you, I did’nt see much of a difference. But there’s a good reasons for that : First my car is stored from november 1st until the 1st of may (I live in Quebec!). I installed the K&N CAI during the winter months, so, when I ...

This probably sould have been answerd a thousand times but I.m new to that sort of thing so...
I have a mustang GT 2002 with only 2 modifications: K&N cold air intake and Borla cat-back exhausts.
Do I need a custom tune or I just plug the U7146 in and do not need to download or upgrade anything ...