
Peterbilt Exhaust Parts
Upgrade your big rig with premium Peterbilt exhaust systems from 4 State Trucks. Our extensive collection of Peterbilt semi truck exhaust components delivers the perfect blend of performance and style. From chrome stacks to high-flow mufflers, we offer everything to enhance your Peterbilt exhaust setup. Improve fuel efficiency, reduce backpressure, and turn heads with our top-quality Peterbilt exhaust solutions. Whether you're after a subtle upgrade or a complete custom overhaul, 4 State Trucks has the Peterbilt exhaust options to make your truck rumble with power and pride on the open road.
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Chrome Multi-Bend Economy Elbow Replaces 14-13845RC For Peterbilt 377, 378, 379 Passenger Side
TPHD
$229.99Multi-Bend Economy Exhaust Elbow Fits Peterbilt 378 & 379 Passenger Side * High Quality Elbow* Made Of Chrome Plated Steel* Multi-Bend Economy Style * With Seam Between Bends* Fits Passenger Side, Bottom Of Muffler* Measurements:- 7.91 Inch Width- 8.15...$229.99 -
Exhaust Heat Shield Mounting Clamp Replaces 14-14668R For Peterbilt 357/378 Passenger Side Lower
AUTOMANN USA
$88.00Muffler Heat Shield Passenger Side Lower Mounting Clamp Fits Peterbilt 357/378 With High Mount Exhaust * High Quality Mounting Clamp* Position-Passenger Side Lower* Fits 10 Inch Diameter Muffler * Lower Left Side Clamp For Mounting Exhaust Heat Shield To...$88.00 -
Peterbilt 357, 377, 378, 379 BESTfit 85 Degree Turbo Pipe, Replaces 14-13002
BESTFIT TRUCK PARTS
$89.99Aluminized Steel 85 Degree Turbo Pipe With 5 Inch ODEnhance your exhaust system with our Aluminized Steel Pipe, boasting a 5-inch outer diameter and an 85-degree angle for optimal fit and performance. Crafted in the USA and sold individually as an...$89.99 -
Chrome Heat Shield Mounting Clamp, 6 Inch For 180 Degree Exhaust Heat Shield
AUTOMANN USA
$63.93Chrome Plated 6 Inch ID Exhaust Heat Shield Mounting Clamp * High Quality Mounting Clamp* Chrome Plated* 6 Inch ID* For 180 Degree Exhaust Heat Shield* Made In USA* Sold Individually* Warranty On Mounting Clamps Against Defects In Workmanship & Material...$63.93 -
Exhaust Heat Shield Mounting Clamp Replaces 14-14668L For Peterbilt 357/378 Driver Side Lower
AUTOMANN USA
$88.00Muffler Heat Shield Driver Side Lower Mounting Clamp Fits Peterbilt 357/378 With High Mount Exhaust * High Quality Mounting Clamp* Position-Driver Side Lower* Fits 10 Inch Diameter Muffler * Lower Left Side Clamp For Mounting Exhaust Heat Shield To...$88.00 -
Exhaust Heat Shield Mounting Clamp Replaces 14-14664 For Peterbilt 357/378 Upper
AUTOMANN USA
$42.30Muffler Heat Shield Upper Mounting Clamp Fits Peterbilt 357/378 With High Mount Exhaust * High Quality Mounting Clamp* Position-Driver Or Passenger Side Upper* Fits 10 Inch Diameter Muffler * Upper Clamp For Mounting Exhaust Heat Shield To Muffler* For...$42.30 -
Chrome 58 Degree Exhaust Elbow, 7 To 5 Inch Od, Replaces OEM # 14-13056Cp
UNITED PACIFIC
$332.99Peterbilt 379 Chrome 58 Degree Angled Exhaust Elbow W/ 7 Inch To 5 Inch OD * High Quality Exhaust Elbow* Made Of Aluminized Steel * For Excellent Rust Resistance* Design For Connecting An Exhaust Pipe With 7 Inch Outside Diameter To Another With 5 Inch...$332.99 -
Chrome Exhaust Connector 5 Inch I.D. To 5 Inch I.D.
UNITED PACIFIC
$34.87Chrome Plated Exhaust Connector * High Quality Exhaust Connector* Chrome-Plated* 5 Inch I.D. To 5 Inch I.D.* With Triple Chrome Plating Process* Sold Individually* Warranty On Exhaust Connectors Against Defects In Workmanship & Material From Date Of...$34.87 -
BESTfit 5 Inch I.D. Inlet X 48 Inch Chrome-Plated Steel Flat Top Stack
BESTFIT TRUCK PARTS
$203.99BESTfit 5 Inch I.D. Inlet X 48 Inch Chrome-Plated Steel Flat Top StackRevitalize your vehicle's exhaust system with our top-of-the-line Straight Exhaust Tubing, meticulously engineered from premium Chrome-Plated Steel. Crafted with precision in the USA,...$203.99 -
Aluminized Steel Exhaust Down Pipe Replaces 14-14194 For Peterbilt 375, 377, 378, 379
AFTERMARKET
$181.99Exhaust Down Pipe Below Turbo Pipe Fits Peterbilt * High Quality Down Pipe* Made Of Aluminized Steel* With Detroit Engine* Pipe That Comes After The Turbo Pipe On Most Models* Sold Individually* Warranty On Down Pipes Against Defects In Workmanship &...$181.99 -
5 Inch Plain Economy Exhaust Y-Pipe Combo For Peterbilt 357, 378 Passenger Side W/ Hi Mount Exhaust
BESTFIT TRUCK PARTS
$653.995 Inch Exhaust Y-Pipe Combo Fits Peterbilt 357 & 378 Passenger Side * Economy Exhaust Elbow* Y Pipe* 5 Inch OD* Thickness 0.062 Inch* Sold Individually* Warranty On Exhaust Elbow Against Defects In Workmanship & Material From Date Of Purchase*** High...$653.99 -
68 Degree Turbo Pipe Replaces 14-14256 For Peterbilt
BESTFIT TRUCK PARTS
$84.69Peterbilt Turbo Connection PipeThis high quality turbo pipe has a 68 inch degree bend and features a hole for a pyrometer probe. It has a 5.85 inch OD with a Flange and a 4.860 inch ID. The pipe fits various Peterbilt 377, 378, and 379 models. * High...$84.69