TSP y-pipe is non oval but kind of hacked together. Pacesetter has those "clearance" areas, Kooks is oval for clearance. There just isn't a whole lot of room for a 3" y-pipe under these cars so pick what you like and hope it doesn't smack the floor.
Did you put new headers on or just ditch the true dual when you had to do the driveshaft?
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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