The old exhaust (The factory one) was full of holes it now has coming of the 3" collector pipe a 3" to 2.5" high flow cat in to a 2.5" custom cat back exhaust with sports muffler and it sounds nice I have heard this exhaust with the Holley and the Q-Jet, the holley is a mid range note but very smooth the Q-Jet on the other hand is a mid to loud note and sounds mean and gets only 1/3 of the mpg the holley gets so I guess I will have to do some more things to get the holley / exhaust combo to sound meaner.
On that note in 2 weeks IM taking the heads off gona give em a full clean up and replace the valve stem seals and put thin mettle head gaskets see if it gets any improvement.
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