Throttle body/plenum tune

Benz_tech

Kinda Lost
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Sep 2, 2013
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san diego
Couldn't find the answer I was looking for in the search bar so:

Dragon Performance Parts

I have an 03, 2.93 pulley, tuned by Lund. I Was wondering If I installed
that dragon throttle body and plenum in the link I provided, would I need to retune?
Due to the eaton not being ported yet, there is said to be a big restriction, so that should allow me to just raise a little more hp without a tune? Porting will come later in time. Any advice would be much appreciated!
 

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