Peterbilt 357/378 Exhaust Kits
Make upgrading your exhaust a breeze with Peterbilt 378 aftermarket exhaust kits. Shop for custom, chrome, and aftermarket exhaust kits, designed to fit your Peterbilt. We have exhaust kits and parts that will fit your big rig and budget.
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BESTfit 6-5 X 114 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S, Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
$2,589.99BESTfit Chrome 6 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt Introducing 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...$2,589.99 -
BESTfit 6 X 114 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long 90S & 6 Inch Y-Pipe
BESTFIT TRUCK PARTS
$3,001.99BESTfit Chrome 6 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt Introducing 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...$3,001.99 -
BESTfit 6-5 X 114 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
$2,727.99BESTfit Chrome 6 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt Introducing 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...$2,727.99 -
BESTfit 6 X 108 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & 6 Inch Y-Pipe
BESTFIT TRUCK PARTS
$3,001.99BESTfit Chrome 6 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt Introducing 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...$3,001.99 -
BESTfit 6 X 108 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks & Long Drop Elbows
BESTFIT TRUCK PARTS
$2,927.99BESTfit Chrome 6 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Length 108 Inches* 2- 01-0800003- Exhaust Mount Grommets Pack Of 4 (Black)* 4- 01-0800600- Wide Angled Clamp 6 Inch* 2- 01-08016000-...$2,927.99 -
BESTfit 6-5 X 108 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
$2,727.99BESTfit Chrome 6 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt Introducing 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...$2,727.99 -
BESTfit 6 X 108 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S, 6 Inch Y-Pipe
BESTFIT TRUCK PARTS
$3,066.99BESTfit Chrome 6 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Length 108 Inches* 2- 01-0800003- Exhaust Mount Grommets Pack Of 4 (Black)* 2- 01-0800012- Stainless Cab Bracket Style Angled* 4-...$3,066.99 -
BESTfit 6 X 108 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & 6 Inch Y-Pipe
BESTFIT TRUCK PARTS
$3,066.99BESTfit Chrome 6 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Length 108 Inches* 2- 01-0800003- Exhaust Mount Grommets Pack Of 4 (Black)* 4- 01-0800600- Wide Angled Clamp 6 Inch* 2- 01-08016000-...$3,066.99 -
BESTfit 6 X 108 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long 90S & 6 Inch Y-Pipe
BESTFIT TRUCK PARTS
$2,994.99BESTfit Chrome 6 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Length 108 Inches* 2- 01-0800003- Exhaust Mount Grommets Pack Of 4 (Black)* 4- 01-0800600- Wide Angled Clamp 6 Inch* 2- 01-08016000-...$2,994.99 -
BESTfit 6-5 X 108 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
$2,792.99BESTfit Chrome 6 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Length 108 Inches* 2- 01-0800003- Exhaust Mount Grommets Pack Of 4 (Black)* 2- 01-0800012- Stainless Cab Bracket Style Angled* 4-...$2,792.99 -
BESTfit 6-5 X 108 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S, Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
$2,653.99BESTfit Chrome 6 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Length 108 Inches* 2- 01-0800003- Exhaust Mount Grommets Pack Of 4 (Black)* 4- 01-0800600- Wide Angled Clamp 6 Inch* 2- 01-08016500-...$2,653.99 -
BESTfit 6 X 108 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Tapered Y-Pipe
BESTFIT TRUCK PARTS
$2,936.99BESTfit Chrome 6 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Length 108 Inches* 2- 01-0800003- Exhaust Mount Grommets Pack Of 4 (Black)* 2- 01-0800012- Stainless Cab Bracket Style Angled* 4-...$2,936.99