Semi-Truck Exhaust Parts
Discover an extensive selection of top-quality semi-truck exhaust parts at 4 State Trucks to elevate your rig's style and performance. Whether you're seeking exhaust pipes, clamps, reducers, couplers, or sleek exhaust tips, we've got you covered with durable products from leading manufacturers like Dynaflex and Lincoln Chrome. Our premium aftermarket exhaust components are designed to leave a lasting impression on the road, allowing you to customize your truck to perfection. Elevate your truck's style and performance with 4 State Trucks' premium aftermarket exhaust components.
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BESTfit 4 Inch Intermediate Pipe Replaces 4ME-32603 For Mack RD & R Models
BESTFIT TRUCK PARTS
$138.99BESTfit Intermediate 4 Inch Pipe For Mack RD & R 1990-2000Upgrade your vehicle's exhaust system with our intermediate pipe! Featuring a 4-inch inner and outer diameter, this aftermarket replacement part boasts a 3-bend design for optimal fit and...$138.99 -
BESTfit Lower Exhaust Elbow Below The Tee For Peterbilt 387
BESTFIT TRUCK PARTS
$151.99BESTfit Long Elbow Under Exhaust Tee Fits PeterbiltUpgrade your vehicle's exhaust system with our aluminized steel pipe! Designed for durability and optimal performance, this aftermarket replacement part features a 5-inch outer diameter inlet and outlet,...$151.99 -
BESTfit 5 Inch 47 Degree Aluminized Intermediate Exhaust Pipe For International 9200, 9200I, 9400 & 9400I
BESTFIT TRUCK PARTS
$279.99BESTfit 5 Inch 47 Degree Aluminized Intermediate Exhaust PipeIntroducing our Intermediate Pipe, featuring a convenient 47-degree bend for optimal fitment in your exhaust system. Crafted from durable aluminized steel, this pipe ensures longevity and...$279.99 -
BESTfit Chrome Elbow Replaces 04-15653-001 For Freightliner FLD Passenger Side
BESTFIT TRUCK PARTS
$404.99BESTfit Elbow BOM Fits FreightlinerIntroducing our Passenger Side Elbow, designed as a direct replacement for OEM part number 04-15653-001. Crafted to exact specifications, this elbow ensures compatibility and seamless installation. Sold individually as...$404.99 -
BESTfit Exhaust Tee No Muffler For Kenworth T800, W900 & AeroCab 2002 - Current
BESTFIT TRUCK PARTS
$299.99BESTfit AeroCab Exhaust Tee Fits KenworthOur Exhaust Tee is a sturdy replacement part crafted from durable aluminized steel. It's specifically designed for exhaust systems equipped with dual mufflers. With its sleek design and no-muffler feature, it...$299.99 -
On Sale
BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Chrome Tapered Y-Pipe Peterbilt 378, 379
BESTFIT TRUCK PARTS
Now: $3,612.59Was: $4,013.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Miter Top* Length: 108 Inches* Long Drop Elbows* 52 Inch Quiet Spools* Kit Includes:- Miter Top...Now: $3,612.59Was: $4,013.99 -
On Sale
BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
Now: $3,746.69Was: $4,162.99BESTfit Chrome 7 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379Introducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...Now: $3,746.69Was: $4,162.99 -
On Sale
BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
Now: $3,230.99Was: $3,589.99BESTfit Chrome 7 Inch Exhaust Kit With 52 Inch Spool Fits PeterbiltIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have A...Now: $3,230.99Was: $3,589.99 -
On Sale
BESTfit 6-5 X 114 Inch Chrome Exhaust Kit W/ Flat Top Stacks & OE Style Elbows
BESTFIT TRUCK PARTS
Now: $2,510.99Was: $2,789.99BESTfit Chrome 6 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 359Introducing BESTFIT CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have A...Now: $2,510.99Was: $2,789.99 -
BESTfit Chrome 6 Inch O.D. Flat Top Exhaust Stack - 44 Inch Length
BESTFIT TRUCK PARTS
$209.99BESTfit 6 Inch Chrome 44 Inch Flat Top Exhaust Stack With Plain End - O.D. * High Quality Exhaust Stack * Flat Top Style - Straight Cut* Made Of Chrome-Plated Steel* 6 Inch O.D. Pipe - Works With Seamless Design Elbows And Pipes* 44 Inch Length* Sold...$209.99 -
Kenworth BESTfit 5 Inch Chrome Elbow Passenger Side
BESTFIT TRUCK PARTS
$296.99BESTfit Passenger Side Chrome Plated Steel Exhaust ElbowConstructed from quality chrome-plated steel, this exhaust elbow is engineered to deliver durability and performance. With a 5-inch inner diameter inlet and corresponding 5-inch outer diameter...$296.99 -
BESTfit 8 Inch Chrome Steel Exhaust Adapter, 7 I.D. To 5 O.D. Inch
BESTFIT TRUCK PARTS
$127.99BESTfit Chrome-Plated Steel 7 Inch I.D. To 5 Inch O.D. Exhaust Reducer AdapterUpgrade your exhaust system with our Chrome-Plated Steel Exhaust Reducer, meticulously crafted to seamlessly adapt from a 7-inch inner diameter to a 5-inch outer diameter. With...$127.99