As you can imagine, just by looking at each configuration, in the H-pipe the exhaust has to make a sharp 90-degree turn, while the X-pipe offers a smoother transition," he says.

The Hi-Po exhaust consists of a Y-pipe with factory correct flanges, a 2.5-inch intermediate pipe, a 2.25-inch over-axle pipe, a resonator with a chrome tip, and the Magnum Muffler with a 2.50 ...

The stock "crushed" Y-pipe and high-mileage cats didn't help either. To see what a free-flowing exhaust truly brings to the power table, we picked up a pair of Doug's long-tube headers along with ...

First, you need to find a space in the exhaust with enough room around it for the Y-pipe and electric motor. Cut a length out of the existing exhaust and slip the Y-pipe into place. See All 11 Photos ...

How To What should I expect to pay to replace an exhaust pipe and muffler? John Paul, AAA Northeast's Car Doctor, answers a question from a reader needing work done on a nearly 20-year-old car.