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 ...

Y-pipe and Loud Mouth II exhaust, and little more than a handful of bolt-ons and suspension upgrades. For the 3,800-pound (with driver) coupe, that was quite a feat-and there is no doubt that the ...

When it comes to classic hot-rodding tricks, one of the very first things enthusiasts do is modify the exhaust for better sound and performance. The tradition started long ago, in an effort to ...