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2004 Chevy Suburban Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Max Energy Programmer Reviews

2004 Chevy Burb 5.3L

Reviewed By Lawrence M (Stratford, CT) Reviewed for a 2004 Chevy Suburban —8/5/2011 5:04 PM

Added a Spectre intake last yr. A bit noisy when you push the pedal. This yr bought the programmer. Seems to have more power towing the trailer. Shifts are fast at 75%, 300 rpm higher setting and regular gas. We also added 2 9.5 foot kayaks(more wind resistance)to the suburban roof. mileage on the first 180 miles was about 9.2 mpg towing hills going up rt 8 in CT to Schenectady,NY 0n I90. Truck runs smoother and the shift points are perfect for towing a heavy trailer. Mild grades were towed comfortably with a noticible improvement in performance. Steeper hills were more of a challenge, but still impressive. On the way home to CT got 9.5 mpg.

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Bully Dog Triple Dog GT Tuner (49-State Legal) Reviews

Todd - KS

Reviewed By Todd H (LAWRENCE, KS) Reviewed for a 2008 Chevy Suburban —10/13/2015 5:59 AM

I recommend this product to anyone looking for fuel economy and added horse power. Well worth the money.

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Superchips Flashpaq Tuner Reviews

Suburban runs like it should.

Reviewed By Robert W A (FREDERICK, MD) Reviewed for a 2011 Chevy Suburban —1/12/2015 10:07 AM

I purchased this more to disable the fuel management program and recalibrate speedo for larger tires, but decided to do the full tune. I am very pleased with the outcome! The truck doesn't lunge while downshifting (because of AFM), it shifts smooth and confidently, performance is improved, gas mileage stayed about the same as w/ AFM, and it doesn't require 93 octane. Even w/ an exhaust system and cold air intake, the tune went smoothly and never any check engine lights. Very Happy!

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