Reviewed By Dan Y (Boise, ID) Reviewed for a 1996 Chevy Tahoe —7/19/2010 12:31 PM
Installed Helix on my 96 Tahoe at the same time I installed new engine and fuel injection. Noticeable improved low and mid range throttle response. Seems to be more torque/horse power from standing start. Mileage seems to have improved, but engine not broke in yet. Would reccomend.