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 ...

It funnels exhaust gases from all the cylinders and routes them to the car’s catalytic converter. V-type engines have a separate manifold for each cylinder bank. A leak in the exhaust manifold ...

Use your car as a flowbench - measure exhaust backpressure to see where improvements can be made. Improve exhaust flow by changing dump pipes, mufflers, converters, and piping - reduce ...

Tony Pesson asked about modified exhaust pipes on vehicles and whether they're legal. He also asked about underglow neon lights and what colors are acceptable. These questions can vary based on ...