Why Do Some Modern Cars Have Fake Exhaust Tips?
Modern tech has made many old car features obsolete, which can be a good thing or a bad thing, depending on who you ask. One example is the fake exhaust tips present on many newer cars. On many modern vehicles, the big shiny exhaust tips we see aren't always connected to anything, and the real exhaust pipes are often tucked away under the bumper.
There are several reasons manufacturers use these fake tips, but the main one is design and looks. Where the actual exhaust pipe goes depends on a bunch of practical factors, including the engine, exhaust routing, suspension, fuel tank, crash structures, and other parts packed under the car. Hence, by separating the look from all the components and engineering, designers can place the tips wherever they look best without worrying about the engineering required to pipe the exhaust to those locations.
Additionally, fake exhaust tips are also useful for safety. Exhaust gases get really hot, to the point of melting plastic (bumpers) or expanding metal. As such, the positioning is incredibly important. It's much easier for manufacturers to manage heat without worrying about visible exhausts. Keeping the exhaust hardware under the car, or rather separate from the bumper opening, is simpler and better for heat management. Add fake exhaust tips to that, and the car stays aesthetically pleasing without having any heat issues.
Do exhaust tips change sound?
Due to the reasons mentioned above, fake exhaust tips also save manufacturers money because they're easy to make. We'll likely see more of them on future cars, or at least until electric cars completely take over. And that would be a shame, really, since some cars over the years have had amazing-looking exhaust designs.
That said, one interesting thing about regular exhaust tips is how they affect your car's exhaust note. In some situations, the exhaust tip can change the car's sound, albeit slightly. For instance, depending on the length, an exhaust tip can change the sound of the car by giving it a deeper, more throaty tone. On the other hand, a downturned exhaust tip can change how much sound bounces off the ground and back toward the listener. Neither option necessarily means it will be louder, just slightly different.
Just like fake exhaust tips, regular ones come in many shapes and sizes, including straight cut, slant cut, rolled edge, dual-wall, and a few others. They're also fairly easy to install, as long as you get the right size for your tailpipe.