Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...

Q. I live in New York and own a 2013 Mazda CX5 with 98,000 miles. The exhaust was getting loud up front of the car. Upon inspection by my mechanic, said the flex exhaust pipe was failing. He looked up ...

One day your engine starts to rumble a little more than usual. Or was that just a passing airliner? Over the next few weeks the sound becomes a steady drone -- and then you notice a faint smell of ...

Proper exhaust-pipe size is a function of both engine output and displacement. The higher the engine's output, the larger the pipes should be. Likewise, larger engine displacements call for bigger ...

Viewer-submitted questions for The Car Doctor: Q: I live in New York and own a 2013 Mazda CX5 with 98,000 miles. The exhaust was getting loud, and after inspection, my mechanic said the flex exhaust ...

The sign says "DIP." And it's not advertising a samba school--there's a dip in the pavement large enough to lose a first-grader in. You touch the brakes lightly to keep from spilling your java as you ...

Exhaust design is often a tricky process. You want to keep the pipes as close to the body as possible for maximum ground clearance, but there are so many obstacles in the way that often force you to ...

So what’s all the hullabaloo? And if you want to help save the planet, should you hop on the E85 bandwagon? E85 is the designation for a fuel that combines 85 percent ethanol with 15 percent gasoline.