a “Y” pipe connects both cylinder manifolds to the same exhaust pipe. From there, the exhaust goes through one oxygen sensor, a catalytic converter, and a muffler. In dual exhaust systems, two ...

In 1983, when our Z28 was the king of a very weak army, its exhaust consisted of dual mufflers and twin ... system by using their optional Off Road Y-pipe. We also had to do a bit of cutting ...

Joel Rode is about to radically change the attitude of a customer's '66 Chevelle 300 post sedan ... exhaust pipe sizing. Flowmaster tells us if you're looking for a complete header-back dual ...

The big sedan gets a 6.2L V8 engine making a decent ... Another change for 16 is a dual mode exhaust that is meant to be quieter at low speeds and more aggressive at higher revs.