Pay in 4 interest-free payments of $387.49 Learn more
Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Model 4500™
fuel economy and sound
This kit fits both TJ and LJ (Unlimited models)
00-inch Scavenger Series® X-pipe assembly for maximum power and a deep unique tone
HP EFI ECU & Harness Kits - 550-603N rwd Model 4500™Overview: Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more. Got a stock LS engine? Simply download a base map and you're on your way. Got a turbocharged, nitrous fed LS engine on water meth? This HP EFI kit can control that too! Features: Simple Installation Plug and Play control of GM LS2 LS3 LS7 engines. Just plug the harness into your factory
