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Specially Designed 60 Series Mufflers
7 L6 2003 - 2004 GMC Envoy XL 325/5
Hooker cast iron exhaust manifolds have been designed to hug close to the engine block so they fit into a wide variety of replacement and engine-swap applications
Polished Finish
8L L6 1980 - 1981 Pontiac Catalina 231/3
Holley EFI 1 Channel EGT Kit - 554-184C efi-wires-and-harnesses Specially Designed 60 Series MufflersOverview: Introducing the Holley EFI Single Channel EGT Kits. Exhaust Gas Temperature data is critical information when your engine tune up is on the ragged edge. Knowing the exhaust temperature can help you identify potential horsepower left on the table, or pin point any weak links in your max effort race engine. You can also use this data to quickly identify a potential ignition misfire, or stuck injector! The included sensor is designed to work
