Sterling L-Series Univ Elbows-Piping

Frequently Asked Questions About Sterling L-Series Univ Elbows-Piping

What are these elbows and piping components used for on my Sterling L-Series truck?

These universal elbows and piping sections are typically used in the exhaust system to route exhaust gases from the engine or muffler to the stack or tailpipe outlet. Because they are labeled as "universal," they are designed to fit a range of Sterling L-Series configurations rather than one exact factory routing, giving you flexibility when replacing worn, cracked, or rusted sections of your exhaust piping.

How do I know what diameter and angle I need?

Before ordering, measure the inside or outside diameter of your existing pipe and note the degree of the bend you need to replace, such as a 45 or 90 degree elbow. Since these are universal-fit parts, confirming your current pipe diameter and the angle of the section you are replacing is the best way to make sure the new piece will connect properly to your existing exhaust run.

What material and finish are these elbows and pipes made from?

Exhaust elbows and piping in this category are generally constructed from aluminized or stainless steel to help resist heat, corrosion, and road debris. Aluminized steel typically offers a more budget-friendly option with good rust resistance, while stainless steel tends to hold up longer in harsh weather and road salt conditions. Check the individual product listing for the specific material used on each part.

Will I need to cut or weld the piping during installation?

Many universal elbows and pipe sections are sized for slip-fit or clamp-on installation, but depending on your truck's existing exhaust configuration, some cutting, trimming, or welding may be required to get an exact fit. We recommend having the piece test-fit before final installation and having welding equipment or a shop on hand in case adjustments are needed.

Are these parts legal for on-road use, and will they affect emissions compliance?

Replacement elbows and piping that maintain the same routing and connection points as your factory exhaust system generally do not affect emissions compliance, but any modification to the exhaust path should keep your emissions equipment, such as the muffler, DPF, or catalytic converter, intact and unaltered. If you are unsure whether a specific piping change affects compliance in your operating state or region, check with your local DOT regulations or a qualified truck repair shop before installation.