Holley EFI Pro Dash GPS Module 122005 This system replaces the factory

This system replaces the factory transverse muffler providing a moderate to aggressive sound level

3-1/2 in Square Door

Target Included

2007-2007 Chevrolet Silverado 2500 HD Classic

607 In Face Diameter

Holley EFI Pro Dash GPS Module 122005 This system replaces the factoryProduct Description: GPS Module Pro Dash Plug and Play Holley EFI GPS Sold Individually Holley is quickly becoming The New Standard In EFI! Holleys HP ECU is standard equipment on the 2013 2014 Chevrolet COPO Camaro and Holleys EFI throttle body powers every NASCAR Sprint Cup Series team. Top racers are making the switch to Holley EFI every day. Racers like Tom Bailey who set three new records and took the overall event win on the 2013 Hot Rod