Peterbilt 357/378 Elbows, Piping & Comp.
Make upgrading your exhaust system a breeze with aftermarket universal elbows, piping and components for your Peterbilt 378. Find the perfect custom, chrome, and aftermarket exhaust pipes. Upgrade your Peterbilt exhaust without breaking the bank at 4 State Trucks.
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Peterbilt 377 BESTfit Chrome 5 Inch ID/O.D. Exhaust Elbow, 19 Inch Length, Passenger Side Replaces 14-11380R
BESTFIT TRUCK PARTS
$325.99BESTfit 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...$325.99 -
Peterbilt 377 BESTfit Chrome Exhaust Elbow Replaces 14-11380L For Driver Side
BESTFIT TRUCK PARTS
$325.99BESTfit Driver Side Chrome Multi-Bend Exhaust Elbow For Bottom Of Muffler Fits 377 or 378 PeterbiltThis aftermarket replacement part is a multi-bend style elbow made of chrome-plated steel. Designed to fit the driver's side at the bottom of the muffler,...$325.99 -
Peterbilt 378, 379 BESTfit Chrome 15 Inch 56 Degree Exhaust Elbow W/ 5 Inch O.D.
BESTFIT TRUCK PARTS
$154.99BESTfit 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...$154.99 -
Peterbilt 377, 378 SBA, 378 SFA, 379 BESTfit Chrome 5 Inch ID/O.D. Y Exhaust Pipe, Replaces 14-13055
BESTFIT TRUCK PARTS
$522.99BESTfit 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...$522.99 -
Peterbilt BESTfit 5 Inch Aluminized Y-Pipe Exhaust W/ 5 Inch ID Inlet, Replaces 14-13055
BESTFIT TRUCK PARTS
$327.99BESTfit Exhaust Y-Pipe Replaces 14-13055Crafted from aluminized steel, this Exhaust Y Pipe boasts a robust build and is proudly made in the USA. With a 5-inch inner diameter inlet and a matching 5-inch outer diameter outlet, it ensures optimal exhaust...$327.99 -
Peterbilt 379 BESTfit Chrome Exhaust Elbow Replaces 14-13906R For Passenger Side
BESTFIT TRUCK PARTS
$510.99BESTfit Passenger Side Chrome Multi-Bend Exhaust Elbow For Bottom Of Muffler Fits 379 PeterbiltConstructed from chrome-plated steel, this multi-bend style elbow is tailored to fit the passenger side bottom of the muffler. Featuring a 5-inch outer...$510.99 -
Freightliner TPHD 5 Inch Aluminized Y-Pipe For Use With Long Drop Elbows, Replaces A04-13974-000
TPHD
$184.99Aluminized Steel Exhaust Y Pipe W/ 5 Inch OD Inlet & OutletsThe aftermarket exhaust Y pipe offered here is crafted from durable aluminized steel, ensuring longevity and reliable performance. Featuring a 5-inch OD inlet and outlets with straight ends and...$184.99 -
Peterbilt 377, 378, 379 BESTfit 5 Inch OD 58 Degree Turbo Elbow, Replaces 14-13430
BESTFIT TRUCK PARTS
$130.99BESTfit Aluminized Steel 58-Degree Turbo Exhaust Pipe ReplacementUpgrade your exhaust system with our Replacement Pipe, expertly crafted from durable aluminized steel right here in the USA. Featuring a 5-inch outer diameter and a precise 58-degree bend,...$130.99 -
TPHD 4 Inch Steel Exhaust Elbow - 90 Degree - 12 Inch Long
TPHD
$38.99Steel 4 X 12 Inch Exhaust 90 Degree ElbowThe 90 Degree Elbow is constructed from steel, featuring dimensions of 12 inches in length and a 4-inch radius. It has a 4-inch inner diameter (I.D.) and a 4-inch outer diameter (O.D.). Additionally, it is belled...$38.99 -
TPHD 4 Inch OD 45 Degree 9 X 9 Inch Exhaust Elbow
TPHD
$40.99Exhaust ElbowImprove your vehicle's exhaust system with our 4-inch Exhaust Elbow, which includes a 45-degree bend and measures 9 x 9 inches. Sold individually as an aftermarket replacement part, this elbow is built for durability and dependable...$40.99 -
Peterbilt 379 & 378 BESTfit Chrome 6 To 5 Inch 58 Degree Exhaust Elbow
BESTFIT TRUCK PARTS
$269.99BESTfit Exhaust Elbow 6-5 Inch Fits Peterbilt 379 & 378Crafted from robust chrome-plated steel, these elbows are engineered to deliver superior durability and performance. Featuring a generous 6-inch outer diameter and a precise 58-degree bend, they are...$269.99 -
Chrome 90 Degree Exhaust Elbow, Reduce 7 OD To 5 OD., 16 X 16 Inch
UNITED PACIFIC
$288.9916 X 16 Inch Chrome 90 Degree Exhaust Elbow * High Quality Exhaust Elbow* Chrome-Plated* 7 Inch O.D. To 5 Inch O.D.- 16 Inch X 16 Inch* 90 Degree* With Triple Chrome Plating Process* Sold Individually* Warranty On Exhaust Elbows Against Defects In...$288.99