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Reviewed By Jessie A (PRINEVILLE, OR) Reviewed for a 2004 Hummer H2 —4/19/2013 12:31 PM
Purchased a K&N series 77 from AutoAnything. Easy to install took about 45 min, got it for a great price also. looks great in my 2004 Hummer H2. I did see and feel the improvement it gave me, the horsepower and torque. Sounded very good also when I step on it. Thank you AutoAnything
Reviewed By Steven C (Oceanside, CA) Reviewed for a 2004 Hummer H2 —8/17/2010 6:53 AM
Easy to install. No idea about any extra HP or gas milage. I have only been doing short city driving. My commute to work is no more than 10 miles a day. I will have to wait a bit until I can make a decent highway trip to see if my milage improves. Overall, I am satisfied.
Reviewed By Daniel T M (Diamond, MO) Reviewed for a 2004 Hummer H2 —10/9/2008 10:04 AM
I just put on the Jet Power-Flow Mass Air sensor on our 04 Hummer H2 along with a cold air intake by AFE. With the two together there is a huge differance in our performance and fuel milage. Our Hummer got 15-16 MPG before and so far since the installation we have noticed a 2mpg increase and a HUGE differance in Horsepower and Torque. Well worth the money spent. Thank You Daniel
