Tough Parts. Smooth Flow. Built for the Long Haul.
Your Freightliner's exhaust system does more than push fumes outâit impacts fuel efficiency, engine performance, and overall ride quality.
Optimize Your Freightliner's Exhaust System Performance
Thatâs why we stock a full range of aftermarket exhaust parts made to fit Cascadia, Columbia, Coronado, FLD, and more.
From daily drivers to fleet rigs, weâve got what you need to keep your system flowing clean and strong.
Shop quality components
- Straight pipes, elbows, and Y-pipes
- Flex bellows and crossover tubes
- Chrome stacks and mufflers
- Heat shields, clamps, and brackets
- Aluminized and stainless steel options
Choose direct-fit parts to save install time and avoid costly modifications. Whether youâre replacing a rusted pipe or upgrading to a chrome showpiece, our Freightliner exhaust parts deliver performance, durability, and serious style.
Donât let a worn-out exhaust drag your truck down. Upgrade with parts that are built to performâand made to last.
Frequently Asked Questions About Freightliner Exhaust Parts
Will these exhaust parts fit my specific Freightliner model and year?
Our Freightliner exhaust parts are designed to fit most Cascadia, Coronado, Columbia, Century, and Classic XL models from 1990 to present. However, exhaust configurations can vary based on engine type (Detroit, Cummins, or Caterpillar) and wheelbase. We recommend checking your truck's VIN or calling our support team at 1-888-875-7787 with your model year and engine specifications to ensure proper fitment. Most product pages include a compatibility chart for quick reference.
What's the difference between aluminized and chrome exhaust stacks, and which lasts longer?
Chrome exhaust stacks offer superior corrosion resistance and maintain their mirror finish longer, typically lasting 5-7 years with proper care. Aluminized steel stacks are more budget-friendly and provide good durability (3-5 years) but may show discoloration over time. Chrome is ideal for drivers prioritizing appearance and longevity, while aluminized works well for those seeking functional performance at a lower price point. Both materials handle high exhaust temperatures effectively.
Do I need special tools or professional installation for exhaust components?
Most exhaust tips, stacks, and elbows can be installed with basic hand tools including wrenches, clamps, and a torque wrench. Installation typically takes 1-3 hours depending on the component. Complete exhaust system replacements or modifications involving the DPF/DEF systems should be performed by a certified technician to maintain emissions compliance. We provide detailed installation instructions with each product, and our tech support can walk you through any challenges.
How do I choose the right exhaust stack diameter and style for my Freightliner?
Stack diameter should match your existing exhaust outlet size - most Freightliners use 5-inch systems, though some older models use 4-inch. Popular styles include straight cut, curved, miter cut, and bull hauler designs. Consider your truck's use: curved stacks direct exhaust away from trailers, miter cuts offer a classic look, and straight cuts provide maximum flow. Measure your current setup or check your owner's manual for OEM specifications before ordering.
What causes exhaust parts to fail prematurely, and how can I extend their lifespan?
Common failure causes include road salt corrosion, excessive idling leading to moisture buildup, and improper installation causing stress cracks. To maximize lifespan, regularly clean chrome stacks with appropriate polish, ensure proper exhaust system alignment to prevent vibration damage, and avoid extended idling when possible. Installing heat shields can protect surrounding components, and using stainless steel clamps instead of standard steel prevents rust-related failures at connection points.
