Reviewed By Duane M (Middletown, NY) Reviewed for a
—12/23/2011 12:50 PM
only had it installed for a day but seems to have given some added hp's don't know about mpg's
Reviewed By Scott S (FRESNO, CA) Reviewed for a
—1/19/2015 9:38 AM
Noticeable increase in HP and firmer shifting at higher RPMs.
Lost MPG in city & HWY which was disappointing.
'14 Silverado w 6.2L
Reviewed By Jacob W (PALESTINE, IL) Reviewed for a
—6/12/2014 10:14 PM
Overall okay product for price. Nothing too special.