towing after performance tune

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my09denali

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I have a BB performance tune in my 09 denali. I think Justin removed most of the torque mngt. Don't remember exactly anymore.

I need to tow about 1800lbs of flooring 75 miles to my cabin. Trip includes some good hills in WI.

Should I be worried about the towing capacity after the tune? Even if the engine is down on torque that doesn't have any affect on braking descending down hills?

I only have the performance tune full time. If I put truck in tow/haul mode would that be back to stock tow haul mode?

thx.
 

Stresst

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No problem at all! How heavy is the trailer? Unless its 8k you have nothing to worry about.
 

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