X-pipes and H-pipes add easy horsepower to your Chevy, but do you know which one is best for you? To find out, we hit up the industry experts.

Generally speaking, a straight piped exhaust has had the muffler(s), H-pipe, catalytic converter(s), and resonator(s) removed. This is considered to be the original (muscle car era) straight pipe ...

"The name 'balance pipe' should be a clue as to why X- and H-pipes work so well," Don Lindfors, Director of Exhaust R&D at PerTronix ... than past Chevy V-8s. Unlike a Mouse or Rat engine where ...

Before busting out the Sawzall and welder, however, there are many important factors to consider, such as the performance difference between X- and H-pipes, where to place them in the exhaust ...

Before busting out the Sawzall and welder, however, there are many important factors to consider, such as the performance difference between X- and H-pipes, where to place them in the exhaust ...