Freightliner Century 112/120 Chrome Stacks & Tops

Frequently Asked Questions About Freightliner Century 112/120 Chrome Stacks & Tops

What exactly are exhaust stacks and tops, and do I need both?

Exhaust stacks are the vertical exhaust pipes that run up the back of the cab, while stack tops (also called exhaust tips or rain caps) are the finishing pieces that attach to the top of the stack. Some stacks come with a top included, while others are sold separately, so its important to check whether your setup needs a standalone top or if youre replacing the entire stack assembly.

Will these chrome stacks and tops fit my Freightliner Century 112 or 120 without modification?

These products are designed to fit the Freightliner Century 112 and 120 models, but exhaust systems can vary based on engine type, mounting configuration, and any prior modifications made to your truck. Always compare the diameter, length, and mounting style of the listed part to your current setup before ordering, and reach out to our team if youre unsure about compatibility.

What material are the chrome stacks and tops made from, and how durable is the finish?

Chrome stacks and tops are typically made from stainless steel or aluminized steel with a chrome-plated finish. The chrome plating gives a polished look and adds a layer of corrosion resistance, but like any chrome part, it can show wear over time from road debris, heat cycling, and exposure to the elements. Regular cleaning helps maintain the shine and extend the life of the finish.

Can I install these stacks and tops myself, or should I have a professional do it?

Many drivers and owner-operators install exhaust stacks and tops themselves, especially if theyre simply replacing an existing top or a stack of the same diameter. However, if youre changing the stack length, diameter, or mounting configuration, it may involve working with brackets, clamps, or exhaust routing that a professional shop can handle more efficiently and safely.

Do chrome exhaust stacks affect performance or need to meet any regulations?

Exhaust stacks and tops are primarily aesthetic and functional components that direct exhaust away from the cab, and swapping to a different chrome stack generally does not affect engine performance as long as the diameter and length are appropriate for your exhaust system. That said, some states and jurisdictions have noise or emissions-related regulations regarding exhaust modifications, so its worth checking local rules if youre making significant changes to your exhaust setup.