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Reviewed By RICHARD J (Parachute, CO) Reviewed for a
—7/13/2014 9:25 PM
Big difference in power. I get 3 to 4 mpg more when using performance level.
Reviewed By bruce w (SAN ANTONIO, TX) Reviewed for a
—4/27/2017 9:14 AM
It was the right thing for me, it woke up my 6.0L gmc 2500HD I needed it for pulling my RV. Thank You
Reviewed By Lee M (Bella Vista, CA) Reviewed for a
—3/13/2017 10:31 PM
Adds good power tons of torque and helps gas mileage a noticable amount. Definitely would recommend