Acura
Alfa Romeo
Audi
BMW
Buick
Cadillac
Chevrolet
Chrysler
Dodge
Fiat
Ford
Genesis
Geo
GMC
Honda
Hummer
Hyundai
INEOS
Infiniti
Isuzu
Jaguar
Jeep
Kia
Land Rover
Lexus
Lincoln
Mazda
Mercedes-Benz
Mercury
Mini
Mitsubishi
Nissan
Oldsmobile
Plymouth
Pontiac
RAM
Saab
Saturn
Scion
Smart
Subaru
Suzuki
Toyota
Volkswagen
Volvo

Hummer

Hummer Tuning Modules

Upgrade your Hummer with an affordable CircIQ tuning module designed to increase horsepower, improve throttle response, and help support better MPG. Shop Hummer performance chips built for easy installation, smoother acceleration, and enhanced driving performance.
CircIQ performance chip tuning module for improved horsepower, throttle response, and better MPG. CircIQ vehicle tuning module for smoother acceleration, increased power, and improved fuel efficiency.
Sale

Hummer H1 Tuning Module

Regular price $199.99 Sale price$169.99
CircIQ performance chip tuning module for improved horsepower, throttle response, and better MPG. CircIQ vehicle tuning module for smoother acceleration, increased power, and improved fuel efficiency.
Sale

Hummer H2 Tuning Module

Regular price $199.99 Sale price$169.99
CircIQ performance chip tuning module for improved horsepower, throttle response, and better MPG. CircIQ vehicle tuning module for smoother acceleration, increased power, and improved fuel efficiency.
Sale

Hummer H3 Tuning Module

Regular price $199.99 Sale price$169.99