Haltech Elite 1500 PnP Adapt Harn ECU Kit - Polaris Slingshot JZZ30 These upgrades make the G4X

These upgrades make the G4X Monsoon a true powerhouse in a small shell

5L 4 20-23 Porsche  Cayman T 2

The Evo X is widely used in circuit and street applications

056 Mercedes Benz E500 4Matic V8 5

Haltech Elite 1500 PnP Adapt Harn ECU Kit - Polaris Slingshot JZZ30 These upgrades make the G4XElite 1500 w Plug 'n' Play Adaptor Harness ECU Kit Polaris Slingshot (2015 2016). If you are using a factory harness and are after an easy ECU upgrade, take a look at Haltech Plug'n'Play Adaptor Kits. These adaptors plug directly into your Haltech ECU and have a set of factory connectors on the other side which plug straight into the factory harness. A simple Haltech Plug'n'Play product that allows you to be up and running in just a few hours. The