Peterbilt 375/377 Exhaust Parts
Upgrade your Peterbilt 375/377 with an array of exhaust parts like mufflers, elbows, and clamps. Check out our vast chrome stack assortment, including lengths up to 114 inches and top styles like flat, West Coast turn, and miter cut
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BESTfit 7-5 X 48 Inch Chrome West Coast Turn Top Stack
BESTFIT TRUCK PARTS
$418.99BESTfit West Coast Turn Top Exhaust StackUpgrade your vehicle's exhaust with our shiny chrome-plated steel exhaust stack. It's made right here in the USA and is sold one at a time. This exhaust stack is special because it starts at 7 inches wide and...$418.99 -
8 X 52 Inch Replacement Spool For BESTfit Exhaust Kit
BESTFIT TRUCK PARTS
$467.99BESTfit Exhaust Spool Replacement * High Quality Exhaust Spool* Made Of Chrome-Plated Steel* 8 Inch O.D.* 52 Inch Length* Tapered Top* Sold Individually* Warranty On Exhaust Spools Against Defects In Workmanship & Material From Date Of Purchase*** High...$467.99 -
Peterbilt 379 BESTfit 5 Inch ID/O.D. 90 Degree Elbow Pipe, Replaces 14-13433
BESTFIT TRUCK PARTS
$97.99BESTfit Lower Elbow Below Turbo Frame PipeElevate your exhaust system with our Galvanized Steel Elbow Pipe, proudly made in the USA for superior quality and durability. Designed with precision, this elbow pipe features a 5-inch inside diameter measuring...$97.99 -
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 -
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 377 BESTfit Chrome 5 Inch ID/O.D. Exhaust Elbow, 19 Inch Length, Passenger Side Replaces 14-11380R
BESTFIT TRUCK PARTS
$422.99BESTfit Passenger Side 19 Inch Multi-Bend Exhaust Elbow For Bottom Of Muffler W/ 5 Inch O.D. Inlet & OutletThis aftermarket replacement part is a multi-bend style exhaust elbow made of chrome-plated steel. It is designed to fit the passenger side at the...$422.99 -
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