Peterbilt 379 Exhaust Parts
Shop complete aftermarket exhaust systems and replacement parts for your 1987-2007 Peterbilt 379. Whether you are upgrading to 6-inch chrome stacks or replacing a failing DPF, select a category below to find exact-fit elbows, clamps, mufflers, and complete Peterbilt exhaust kits from trusted brands like Lincoln Chrome and American Eagle
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Peterbilt 379 BESTfit 5 Inch 75 Degree Aluminized Exhaust Elbow Below Turbo Pipe For Replaces 14-13395
BESTFIT TRUCK PARTS
$267.99Aluminized Steel 75 Degree Exhaust Elbow W/ 5 Inch I.D. Inlet & 5 Inch O.D. OutletUpgrade your exhaust system with our Aluminized Steel Exhaust Elbow. Crafted with precision from quality materials, this elbow features a 5-inch I.D. inlet and a 5-inch O.D...$267.99 -
Peterbilt BESTfit 5 Inch 90 Degree Lower Elbow Below Turbo Pipe Replaces 14-09456
BESTFIT TRUCK PARTS
$128.99Steel 90 Degree Elbow PipeUpgrade your engine setup with our durable Steel Elbow. With a 5-inch length and 90-degree angle, this elbow is designed for use below the turbo, ensuring optimal performance. Made in the USA and sold individually as an...$128.99 -
BESTfit 10 Inch Diameter Muffler With 5 Inch Inlet & Outlet - Replaces 04-21774-001
BESTFIT TRUCK PARTS
$104.99BESTfit 10 Inch Diameter Muffler With 5 Inch Inlet & Outlet * High Quality Muffler* 10 Inch Body Diameter* 44 1/2 Inch Body Length* 51 Inch Length * 5 Inch Inlet I.D.* 5 Inch Outlet I.D.* 3 Inch Inlet Tube Length* Standard Type 1* Sold Individually* Made...$104.99 -
Freightliner BESTfit 5 Inch O.D. Chrome Y-Pipe, Replaces A04-13974-000
BESTFIT TRUCK PARTS
$601.99BESTfit Chrome-Plated Steel Y Exhaust Pipe W/ 5 Inch O.D. Inlet & OutletsUpgrade your exhaust system with this premium Exhaust Y-Pipe made of durable chrome-plated steel. Designed for optimal performance, it features a 5-inch outer diameter inlet and two...$601.99 -
BESTfit 5 Inch Diameter Steel Universal Exhaust Y-Pipe 15 Inch L X 30 Inch W
BESTFIT TRUCK PARTS
$167.99BESTfit Steel Exhaust Y-PipeEnhance your vehicle's exhaust system with our Steel 5-Inch Y-Divider Exhaust Pipe. Constructed for durability and efficiency, this aftermarket replacement part is designed to optimize exhaust flow. With dimensions of 15...$167.99 -
BESTfit 5 Inch Diameter Chrome Universal Exhaust Y-Pipe 9 Inch L X 18 Inch W
BESTFIT TRUCK PARTS
$272.99BESTfit Universal 5 Inch O.D. Exhaust Y-PipeUpgrade your exhaust system with our Chrome-Plated Steel 5-Inch Y-Divider Exhaust Pipe. Crafted for durability and style, this aftermarket replacement part features a sleek chrome-plated finish. With dimensions...$272.99 -
BESTfit 5 Inch OD Steel Universal Exhaust Y-Pipe, 9 x 18 Inch
BESTFIT TRUCK PARTS
$143.99BESTfit 5-Inch OD Inlet, 5-inch OD Outlet Steel Exhaust Y-DividerEnhance your vehicle's exhaust system with our Steel 5-Inch Diameter Exhaust Pipe. Crafted from durable steel, this aftermarket replacement part boasts a 9-inch length and an 18-inch width,...$143.99 -
BESTfit 5 Inch Diameter Steel Universal Exhaust Y-Pipe 9 Inch L X 18 Inch W
BESTFIT TRUCK PARTS
$147.99BESTfit Exhaust Y-Pipe * High Quality Exhaust Pipe * Made Of Steel* 5 Inch Y-Divider* 9 Inch Length * 18 Inch Width * 5 Inch R* Sold Individually* Warranty On Exhaust Pipe Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$147.99 -
Peterbilt 378, 379 BESTfit Chrome 15 Inch 56 Degree Exhaust Elbow W/ 5 Inch O.D.
BESTFIT TRUCK PARTS
$189.99BESTfit Chrome-Plated Steel Exhaust Elbow, Replaces 14-13056CThis aftermarket replacement part is crafted from chrome-plated steel and features a 5-inch outer diameter (OD/OD). With a 15-inch length and a 56-degree bend, it is designed to exacting...$189.99 -
Peterbilt 377, 378 SBA, 378 SFA, 379 BESTfit Chrome 5 Inch ID/O.D. Y Exhaust Pipe, Replaces 14-13055
BESTFIT TRUCK PARTS
$569.99BESTfit Chrome-Plated Steel Exhaust Y-Pipe W/ 5 Inch ID Inlet & 5 Inch O.D. OutletsThis aftermarket replacement part is constructed from chrome-plated steel and features a 5-inch inner diameter (I.D.) inlet and 5-inch outer diameter (O.D.) outlets. Made...$569.99 -
BESTfit Chrome Miter Cut Exhaust Stack - 36 Inch Length W/ Outside Diameter Inlet-Plain
BESTFIT TRUCK PARTS
$99.99BESTfit 5 Inch Chrome 36 Inch Miter Cut Exhaust Stack With Plain ID - O.D. * High Quality 5 Inch Exhaust Stack* Miter Style Top - Angle Cut* Made Of Chrome-Plated Steel* 5 Inch O.D. Inlet - Plain Inlet To Fit Inside 5 Inch Expanded Mufflers, Elbows Or...$99.99 -
BESTfit Chrome 24 Inch Mitered Turn Out Exhaust Stack W/ 5 Inch O.D. & Plain ID
BESTFIT TRUCK PARTS
$49.99BESTfit 24 Inch Long Miter Cut Exhaust Stack With 5 Inch O.D. & Plain ID * High Quality 5 Inch Exhaust Stack* Miter Style Top - Angle Cut* Made Of Chrome-Plated Steel* 5 Inch O.D. Inlet - Plain Inlet To Fit Inside 5 Inch Expanded Mufflers, Elbows Or...$49.99