Gain up to +35 HP and +5 MPG in your Hummer H3!
Our inexpensive performance chips are an innovative new way of unlocking up to +35 horsepower and +5 MPG in fuel mileage in your Hummer H3 by safely optimizing your a...

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Gain up to +35 HP and +5 MPG in your Hummer H3!
Our inexpensive performance chips are an innovative new way of unlocking up to +35 horsepower and +5 MPG in fuel mileage in your Hummer H3 by safely optimizing your air/fuel ratio and timing curve for increased efficiency! Our innovative Hummer H3 performance chip is the answer to today's high fuel prices and all of us looking to squeeze that hidden power and fuel economy out of your Hummer H3!

With over 75,000 performance chips sold to customers on every continent, our advanced performance chips are truly one of the most time-tested and proven products available on the market!

Easy installation. NO mechanical experience required.
Installing our performance chip in your Hummer H3 is simple, and we guarantee that anyone with no previous mechanical experience will be able to easily install our product! Installation time varies per vehicle, but most people with little to no mechanical experience can expect to install the performance chip within 10-15 minutes. Our performance chip easily installs into your engine compartment, and all Hummer H3 performance chips come with an installation kit that includes everything you'll need to install your new performance chip in your Hummer H3, including detailed installation instructions with easy to follow step-by-step pictures! You won't need anything to install it, except a simple pair of pliers found in nearly every household. With our award-winning 5 star technical staff available to you, you can be rest assured that we're here to guide you and help with any questions that you may have.

100% Money-Back Guarantee & Lifetime Warranty. No catches!
All Hummer H3 performance chips are proudly backed by our unmatched 100% Money-Back Guarantee & Lifetime Warranty!

  • Boost your Hummer H3's horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip! Safely gain up to +35 HP and up to +5 MPG in fuel mileage in your Hummer H3 by safely optimizing your air/fuel ratio and timing curve for increased efficiency!
  • Easily installs in less than 15 minutes, with absolutely no mechanical experience required! All Hummer H3 performance chips come with an installation kit, including detailed installation instructions with easy to follow step-by-step pictures! Our award-winning 5 star technical staff is here to guide you and help with any questions that you may have.
  • Makes NO permanent changes to your Hummer H3's computer! It will not void your Hummer factory warranty, and it's completely emissions safe. The performance chip is fully compatible with all trims, including (but not limited to) Alpha, Base, Championship Series, H3T and X models with 3.5L, 3.7L and 5.3L engines.
  • We strived to create the most high quality product in every aspect, delivering you the most affordable product without sacrificing quality. All Hummer H3 performance chips feature a high-end aluminum enclosure with an extremely durable, high quality anodized finish. It's a thousand tiny details that add up to something big.
  • All Hummer H3 performance chips are proudly backed by our unmatched 100% Money-Back Guarantee & Lifetime Warranty! A properly maintained vehicle is required for the performance chip to function as intended and advertised. Results may vary.
  • Boost your Hummer H3's horsepower, torque, throttle response and fuel economy with the advanced Innovative Performance Chip! Safely gain up to +35 HP and up to +5 MPG in fuel mileage in your Hummer H3 by safely optimizing your air/fuel ratio and timing curve for increased efficiency!
  • Easily installs in less than 15 minutes, with absolutely no mechanical experience required! All Hummer H3 performance chips come with an installation kit, including detailed installation instructions with easy to follow step-by-step pictures! Our award-winning 5 star technical staff is here to guide you and help with any questions that you may have.
  • Makes NO permanent changes to your Hummer H3's computer! It will not void your Hummer factory warranty, and it's completely emissions safe. The performance chip is fully compatible with all trims, including (but not limited to) Alpha, Base, Championship Series, H3T and X models with 3.5L, 3.7L and 5.3L engines.
  • We strived to create the most high quality product in every aspect, delivering you the most affordable product without sacrificing quality. All Hummer H3 performance chips feature a high-end aluminum enclosure with an extremely durable, high quality anodized finish. It's a thousand tiny details that add up to something big.
  • All Hummer H3 performance chips are proudly backed by our unmatched 100% Money-Back Guarantee & Lifetime Warranty! A properly maintained vehicle is required for the performance chip to function as intended and advertised. Results may vary.

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