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I just got a 2006 5.7L Commander and am wondering if anyone has tried the Hypertech tuner with the MDS. I am worried that with a computer upgrade like this, it could mess up MDS (since it already seems very particular on when it kicks in). I did put a K&N in it and my Gibson exhaust is on order. I'll let everyone know how that works but was wondering about the Hypertech. Thanks!!
 

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I am running a K&N FIPK and Gibson Exhaust (cat-back) on my HEMI Commander.

I'd be curious about the Hypertech for this application.

I used a Hypertech PowerProgrammer on my '01 Whipple Supercharged Tahoe with Gibson Headers and Exhaust with great results (5.3L)

I didn't even think that MDS would be an issue. Let us know what you find out. Thanks!
 

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My assumption is that MDS is controlled by the ECU computer and that if you "flash" it with a Hypertech, it could goof it up. Maybe I'll post the question to Hypertech.
 
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