Reviewed By Micah Z (NORTH MANKATO, MN) Reviewed for a 2001 Chevy Silverado —9/20/2015 7:26 PM
Works like it should. Haven't dynoed it yet but I'd say maybe 5 hp gain. Worth the price. Easy installation
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Reviewed By Barret D (Evans, GA) Reviewed for a 2001 Chevy Silverado —6/4/2011 11:26 PM
Had a few issues with the install because of the cold air intake. Decent product, though. The whistle sounds pretty cool, kinda like a poor man's supercharger. Haven't run a full tank through it yet, so no estimates on the mpg increase. Feels a little more responsive and seems to run at lower rpms from 45-55mph. Shipping was super fast! Got the email that it shipped Monday morning, I had the product in my hands on Tuesday afternoon. Love AutoAnything!
Reviewed By Kyra S (Cocoa, FL) Reviewed for a 2001 Chevy Silverado —6/18/2008 5:39 AM
over all it helped with low end torque but did require me to modify my cold air intake a bit cause the clutch fan grazed it. i got a little more hp but nothing as far as mpg. It makes my 2001 2500HD 6.0L sound like it has a supercharger! would get for other vehicles