Reviewed By RICHARD J (Parachute, CO) Reviewed for a 2005 GMC Savana —7/13/2014 9:25 PM
Big difference in power. I get 3 to 4 mpg more when using performance level.
Reviewed By Barron H (SAN ANTONIO, TX) Reviewed for a 2003 Chevy Tahoe —8/11/2017 8:15 AM
Great product- we lifted our 4x4 by 6.5" and need some extra horse power to compensate for the extra weight. Max Energy did the trick. Added 56 horse and brought the old Tahoe back to life. It now has great passing power and burns rubber from a dead start.