Sterling A-Series Truck Chrome Stacks & Tops

Frequently Asked Questions About Sterling A-Series Truck Chrome Stacks & Tops

What exactly are chrome stacks and tops, and will they fit my Sterling A-Series?

Chrome stacks refer to the exhaust stack pipes that run vertically behind or beside the cab, while stack tops (also called rain caps or exhaust tips) are the chrome accessory pieces that cap or dress up the top of those pipes. Products in this category are designed to match the diameter and mounting style commonly used on Sterling A-Series trucks, but exhaust stack diameters and lengths can vary by model year and drivetrain setup, so it is important to measure your existing stack or check your OEM exhaust specs before ordering.

What sizes and diameters are available?

Chrome stacks and tops typically come in a range of common diameters, such as 5 inch and 7 inch, to match factory or aftermarket exhaust systems. Always confirm the outer diameter of your current exhaust pipe before purchasing, since a stack top that does not match your pipe size will not seal or fit properly.

How are chrome stacks and tops installed?

Stack tops generally slide or clamp onto the existing exhaust pipe and are secured with set screws or clamps, while replacement stack sections may need to be welded or slip-fit into the existing exhaust system. Installation is straightforward for most stack tops and can often be done with basic hand tools, but replacing full exhaust stack sections may require welding equipment or a shop visit depending on your truck's setup.

What material and finish should I expect, and how do I maintain it?

These parts are typically made from stainless steel or chrome-plated steel to hold up to heat and outdoor exposure. Regular washing with mild soap and water, along with periodic use of a chrome polish, will help maintain shine and prevent surface rust or discoloration over time, especially in areas with road salt or heavy weather exposure.

Are there heat or exhaust flow considerations I should know about?

Because these components sit directly in the exhaust path, it is important to choose stacks and tops rated for exhaust heat and to ensure proper clearance from any nearby wiring, hoses, or cab components. If you are replacing a full stack section rather than just a top, matching the original length and bend angle helps maintain proper exhaust flow and backpressure characteristics.