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Reviewed By Gene G (Shelburne Falls, MA) Reviewed for a
—8/14/2007 6:02 PM
they seem okay-I don't have testing equipment to verify any benefits.
Reviewed By THOMAS L (EL CAJON, CA) Reviewed for a
—2/8/2018 8:08 PM
I could actually feel the increase in power
Reviewed By JOHN C (Fort Lauderdale, FL) Reviewed for a
—4/22/2020 6:20 AM
MY CAR RUNS BETTER,AND GETS BETTER GAS MILLIAGE.