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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BESTfit 18 Inch Wrap Clamps - Pack Of 2
BESTFIT TRUCK PARTS
$19.37BESTfit Wrap ClampsIntroducing our Clamps, designed to make the installation of heat wrap and sleeves a breeze! With a convenient length of 18 inches, these clamps provide ample coverage for securing your heat management solutions in place. The best...$19.37 -
BESTfit 2 Inch Wide Heat Wrap - 50 Foot Roll
BESTFIT TRUCK PARTS
$119.99BESTfit Heat Wrap For Bare PipesIntroducing our Heat Wrap, a versatile solution for managing heat in various applications. Measuring 2 inches wide and coming in a 50-foot roll, it offers ample coverage for your needs. This heat wrap effectively reduces...$119.99 -
BESTfit Chrome 8 Inch O.D. Miter Cut Exhaust Stack - 48 Inch Length
BESTFIT TRUCK PARTS
$439.99BESTfit 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...$439.99 -
On Sale
BESTfit 2.5 X 14.75 Inch Flex Connector W/ Flange Replaces M666559 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
Now: $103.59Was: $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...Now: $103.59Was: $147.99 -
BESTfit 5 Inch X 14.5 Inch Bead Flex Connector W/ Flange Replaces M6665420335 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$272.99BESTfit 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...$272.99 -
BESTfit 5 X 11.375 Inch Bead Flex Connector W/ Flange Replaces M6665420320 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$215.99SS 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,...$215.99 -
On Sale
BESTfit 4 X 14.25 Inch Flex Connector Replaces M66-65410-405 & M66-7091-0405 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
Now: $136.50Was: $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...Now: $136.50Was: $272.99 -
BESTfit 4 X 12.25 Inch Flex Connector W/ Flange Replaces M6665410335 & M6670910335 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$256.99BESTfit 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...$256.99 -
BESTfit 4 X 11.375 Inch Flex Connector Replaces M66-6541-0320 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$199.99BESTfit 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,...$199.99 -
BESTfit Chrome 72 Inch West Coast Turnout Stack 5 Inch O.D.
BESTFIT TRUCK PARTS
$217.99BESTfit 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...$217.99 -
BESTfit Chrome 6 Inch O.D. West Coast Turn Out Exhaust Stack - 96 Inch Length
BESTFIT TRUCK PARTS
$417.99BESTfit 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...$417.99 -
BESTfit Chrome 6 Inch O.D. Bull Hauler Exhaust Stack - 96 Inch Length
BESTFIT TRUCK PARTS
$431.99BESTfit 6 Inch Chrome 96 Inch Bull Hauler Exhaust Stack With Plain End - O.D. * High Quality Exhaust Stack * Bull Hauler Style Turn Out* Made Of Chrome-Plated Steel* 6 Inch O.D. Pipe - Works With Seamless Design Elbows And Pipes* 96 Inch Length* Sold...$431.99