Peterbilt 389 Exhaust Parts
Find top-notch Peterbilt 389 exhaust components to elevate your rig's performance. We offer reliable chrome stacks, elbows, clamps, brackets, DPFs, and mufflers for a flawless fit. Shop our extensive inventory at 4 State Trucks for quality parts that deliver durability and style.
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BESTfit 8 To 5 X 96 Inch Curve Turn Stack
BESTFIT TRUCK PARTS
$818.99BESTfit 8-5 X 96 Inch Turnout StackUpgrade your vehicle's exhaust system with our chrome-plated steel Exhaust Stack! Featuring a classic turnout style, this aftermarket replacement part boasts an 8 to 5-inch inner diameter for optimal performance. With a...$818.99 -
BESTfit Chrome Flat Top Stack - 48 Inch X 5 Inch O.D.
BESTFIT TRUCK PARTS
$221.99BESTfit Chrome 5 Inch Straight Cut Top Stack 48 Inches TallIntroducing our chrome-plated steel exhaust stack, designed to elevate the look of your vehicle while delivering reliable performance. With a sleek flat top style and a 5-inch O.D. chrome exhaust...$221.99 -
BESTfit 5 X 36 Inch Turn Out Top Stack
BESTFIT TRUCK PARTS
$194.99BESTfit 5 X 36 Inch Turn Out Top StackIntroducing our Top Stack, crafted in a Turn Out style for enhanced performance and aesthetics. With a diameter of 5 inches and a length of 3 feet, this stack ensures efficient exhaust ventilation for your vehicle...$194.99 -
BESTfit Chrome 8 Inch O.D. Miter Cut Exhaust Stack - 48 Inch Length
BESTFIT TRUCK PARTS
$460.99BESTfit 8 Inch Chrome 48 Inch Miter Cut Exhaust Stack With Plain End - O.D. * High Quality Exhaust Stack * Miter Cut Style - Angle Cut* Made Of Chrome-Plated Steel* 8 Inch O.D. Pipe - Works With Seamless Design Elbows And Pipes* 48 Inch Length* Sold...$460.99 -
BESTfit 2.5 X 14.75 Inch Flex Connector W/ Flange Replaces M666559 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$147.99SS 12 3/4 Inch DPF Flex ConnectorPresenting our Connector, meticulously crafted in the USA to meet your vehicle's needs. With a 2.5-inch flange by 2.5-inch flange, compressed to 12.750 inches, this aftermarket replacement part ensures a precise fit in...$147.99 -
BESTfit 5 Inch X 14.5 Inch Bead Flex Connector W/ Flange Replaces M6665420335 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$305.99BESTfit Stainless Steel 14.5 Inch Long DPF Flex Connector PipeIntroducing our Flex Connector, crafted in the USA with precision and care. This aftermarket replacement part boasts a 5-inch flange by 5-inch flange, compressed to 14.500 inches, ensuring a...$305.99 -
BESTfit 5 X 11.375 Inch Bead Flex Connector W/ Flange Replaces M6665420320 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$231.99SS DPF Bead Flex Connector PipeOur Flex Connector, proudly made in the USA, features a 5-inch flange by 5-inch flange, compressed to 11.375 inches. Sold individually as an aftermarket replacement part, it ensures a secure fit in your exhaust system,...$231.99 -
BESTfit 4 X 14.25 Inch Flex Connector Replaces M66-65410-405 & M66-7091-0405 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$272.99BESTfit Stainless Steel 14.25 Inch Long DPF Flex Connector W/ 4 Inch FlangeOur Exhaust Connector is engineered in the USA to meet your needs. With dimensions of 4 inches flange by 4 inches flange, compressed to 14.250 inches, it ensures a secure fit in...$272.99 -
BESTfit 4 X 12.25 Inch Flex Connector W/ Flange Replaces M6665410335 & M6670910335 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$287.99BESTfit Stainless Steel 12.25 Inch Long DPF Flex Connector W/ 4 Inch FlangeCrafted in the USA, our Stainless Steel Flex Connector offers durability and reliability for your needs. With dimensions of 4 inches flange by 4 inches flange, compressed to 12...$287.99 -
BESTfit 4 X 11.375 Inch Flex Connector Replaces M66-6541-0320 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$214.99BESTfit DPF Exhaust Flex Connector PipeOur Flex Connector, crafted in the USA, boasts a 4-inch flange by 4-inch flange dimension, compressed to 11.375 inches. Ensuring top-notch quality, it's sold individually as an aftermarket replacement part,...$214.99 -
BESTfit Chrome 72 Inch West Coast Turnout Stack 5 Inch O.D.
BESTFIT TRUCK PARTS
$229.99BESTfit Chrome West Coast Turn Out Top Stack 72 Inch x 5 Inch O.D. * High Quality Stack* West Coast Turn Out* Made Of Chrome-Plated Steel* 5 Inch O.D. Straight End* 72 Inch Length* Mirror-Like Finish* Quality Triplex Nickel For Improved Adhesion And...$229.99 -
BESTfit Chrome 6 Inch O.D. West Coast Turn Out Exhaust Stack - 96 Inch Length
BESTFIT TRUCK PARTS
$437.99BESTfit 6 Inch Chrome 96 Inch West Coast Exhaust Stack With Plain End - O.D. * High Quality Exhaust Stack * West Coast Style Turn Out* Made Of Chrome-Plated Steel* 6 Inch O.D. Pipe - Works With Seamless Design Elbows And Pipes* 96 Inch Length* Sold...$437.99