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Registered
Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,564
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The Carrera exhaust is about 4mm larger so it flows better. On a US 80 to 83 if you knock off the head insert of the Carrera exhaust (3 small spot welds, air chisel does the trick) and it bolts right up. Take the carrera cat knock it out inside and a Carrera muffler gives a warm sound, or you buy a stainless from me.
You need to richen the mixture
On a 78/79 you need to grind the flange thickness so you dont have to change out the studs, knock out the insert and youre good to go
Bruce
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