Pontiac G8 Speciality Tools

Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

The Diablo Sport S1000 Sprint Module allows for maximum power and vehicle performance by disabling the factory Active Fuel Management (AFM) feature that drops cylinders and reduces power. The Sprint will also shut off the Auto Start/Stop feature on vehicles equipped with this option. Easy installation. Just plug into the OBDII port under the dash and drive. Compatible with GM vehicles built from 2005 to current that feature Active Fuel Management (AFM). Eliminates hesitation on acceleration and annoying exhaust buzz caused by AFM activation. Enables vehicles with AFM to always stay in V8 mode without reprogramming or re-flashing the vehicle’s onboard computer (ECU). This product will also disable DFM on 2019-2022 GM 5.3 and 6.2 trucks.

Diablosport inTune 3 for GM Vehicles (50-State) (Excluding 2017+GM Gas), 8200.

Engineered for enthusiasts who want real control over performance, the SuperTuner unlocks power through precise calibration of fuel, spark, and transmission settings. It improves throttle response, adjusts for aftermarket upgrades, and delivers optimized drivability across GM, Ford, and Dodge platforms. Advanced mapping gives measurable gains without compromising reliability. Backed by decades of ignition and tuning expertise, it simplifies the tuning process while preserving factory safeguards. Expect sharper acceleration, smoother shifts, and a noticeable improvement in overall performance with every drive.

The X4 Performance Programmer connects high-performance tunes to your vehicle for an immediate boost in horsepower and torque. Awaken your engine to its maximum real potential with preloaded, dyno-proven tune files through the easy-to-use functionality. Instantly increase horsepower and torque and customizeModify a variety of parameters at the touch of a button, all while monitoring gauges on a customizable display.