Freightliner Exhaust Parts
Shop aftermarket Freightliner exhaust parts, kits, and direct-fit replacements for models like Cascadia, Columbia, Coronado, FLD, and more. Whether you’re replacing a rusted pipe, swapping connectors, or upgrading your style with polished chrome stacks and turnouts, you can find the right parts to completely revamp your truck’s exhaust system
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5 Inch ID/OD Exhaust Y-Pipe, Replaces 04-16885-41 For Freightliner Classic
BESTFIT TRUCK PARTS
$366.9941 Inch Exhaust Y Pipe W/ 5 Inch OD Inlet & 5 Inch ID OutletsThis High Quality 5 Inch Exhaust Y-Pipe That Fits Freightliner Classic Models Will Require An Extension Pipe To Connect To The BOM Elbow If Used For The Driver Side. The Exhaust Is Comes With A...$366.99 -
Chrome Reducer, 7 Inch ID To 5 Inch OD
UNITED PACIFIC
$56.99Chrome Plated 7 Inch ID To 5 Inch OD ReducerConnect 7 inch inside diameter exhaust pipe to 5 inch outside diameter exhaust pipe with this reducer. It is chrome plated and is sold individually. * High Quality Reducer* Chrome-Plated* 7 Inch I.D. To 5 Inch...$56.99 -
Aluminized 5 Inch Y Pipe With Divider - 25 In W X 14 In H
UNITED PACIFIC
$154.99Aluminized 5 Inch Y Exhaust Pipe With Divider * High Quality Y Pipe* Aluminized Steel* 25 Inch Width* 14 Inch Height* Sold Individually* Warranty On Y Pipes Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$154.99 -
On Sale
Aluminized Steel 90 Degree Exhaust Elbow Replaces OEM # 04-09833-006
UNITED PACIFIC
Now: $77.69Was: $110.99Freightliner Century 90 Degree Aluminized Exhaust Elbow * High Quality Exhaust Elbow* Made Of Aluminized Steel * For Excellent Rust Resistance* 5 Inch OD* 5 Inch ID* 14 Inch Center To Center Height* 26 1/2 Inch Center To Center Length* 5 Inch Turn* Sold...Now: $77.69Was: $110.99 -
Chrome 5 X 36 Inch Curved Expanded Slotted Bottom Exhaust
UNITED PACIFIC
$145.9936 Inch Curved Expanded Slotted Bottom Exhaust * High Quality Exhaust Stack* Chrome-Plated* 5 Inch O.D.* 36 Inch Length* Curved * Expanded Slotted* With Triple Chrome Plating Process* Fits Over A Connecting Exhaust* Sold Individually* Warranty On Exhaust...$145.99 -
8 Inch Stainless Steel Wide Band Exhaust Clamp W/ 2 Bolt Mount
UNITED PACIFIC
$83.99SS 8 Inch Wide Band Exhaust ClampSecure your equipment reliably with our aftermarket mounting band clamp, engineered for durability and strength. Constructed from 304 stainless steel, this clamp ensures long-lasting performance even in harsh conditions...$83.99 -
6 Inch Stainless Steel Wide Band Exhaust Clamp W/ 2 Bolt Mount
UNITED PACIFIC
$57.996 Inch 2 Bolt Mounting ClampSecure your equipment with our aftermarket mounting clamp, engineered for durability and versatility. Crafted from 304 stainless steel, this clamp ensures reliable performance even in harsh conditions. The wide style design...$57.99 -
BESTfit 8 X 22 Inch Aluminized Muffler
BESTFIT TRUCK PARTS
$134.99BESTfit Aluminized Muffler 8 Inch Diameter With 5 Inch I.D. Inlet & Outlet * High Quality Muffler* Aluminized* Dimensions- 8 Inch Diameter- 5 Inch I.D. Inlet/Outlet- 14 Inch Length Body- 22 Inch Length Overall* Sold Individually* Warranty On Mufflers...$134.99 -
BESTfit Chrome Elbow Replaces 04-15653-001 For Freightliner FLD Passenger Side
BESTFIT TRUCK PARTS
$424.99BESTfit Elbow BOM Fits FreightlinerIntroducing our Passenger Side Elbow, designed as a direct replacement for OEM part number 04-15653-001. Crafted to exact specifications, this elbow ensures compatibility and seamless installation. Sold individually as...$424.99 -
BESTfit Exhaust Tee No Muffler For Kenworth T800, W900 & AeroCab 2002 - Current
BESTFIT TRUCK PARTS
$317.99BESTfit AeroCab Exhaust Tee Fits KenworthOur Exhaust Tee is a sturdy replacement part crafted from durable aluminized steel. It's specifically designed for exhaust systems equipped with dual mufflers. With its sleek design and no-muffler feature, it...$317.99 -
Kenworth W900 BESTfit 5 Inch Exhaust Elbow, Driver Side For W/ 45 Inch Steps
BESTFIT TRUCK PARTS
$356.99BESTfit Driver Side 5 Inch Exhaust Elbow Fits Kenworth W/ 45 Inch StepsUpgrade your truck's exhaust system with our Chrome-Plated Exhaust Elbow. Specifically designed for trucks equipped with two round catalyst/mufflers mounted underneath, this elbow...$356.99 -
BESTfit 9 X 12 Inch Short Galvanized Exhaust Muffler
BESTFIT TRUCK PARTS
$84.99BESTfit Short Galvanized Muffler W/ 5 Inch ID Inlet & Outlet * High Quality Muffler* Made Of Galvanized Steel* 9 Inch Diameter Body* 12 Inch Body Length* Inlet 5 Inch Inside Diameter* Outlet 5 Inch Inside Diameter* Sold Individually* Warranty On Muffler...$84.99