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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On Sale
6-5 X 114 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Chrome Tapered Y-Pipe
TPHD
Now: $2,087.09Was: $2,318.996 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 Introducing our Exhaust Kit, measuring 114 inches in length, perfect for truck upgrades. This kit includes: 2 long drop exhaust elbows, 1 taper lock exhaust tee, 2 stainless steel flat...Now: $2,087.09Was: $2,318.99 -
On Sale
6-5 X 114 Inch TPHD Chrome Exhaust Kit W/ Miter Stacks & OE Style Elbows
TPHD
Now: $1,781.99Was: $1,979.996 Inch Chrome Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 Introducing TPHD Chrome Exhaust Kits! These installer-friendly kits are crafted with quality components at an affordable price. Made of chrome-plated steel and measuring 114 inches...Now: $1,781.99Was: $1,979.99 -
On Sale
6-5 X 108 Inch TPHD Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Chrome Tapered Y-Pipe
TPHD
Now: $2,037.59Was: $2,263.996 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 Introducing our Exhaust Kit for truck improvements. It's 108 inches long and includes: 2 long drop exhaust elbows, 1 taper lock exhaust tee, 2 stainless steel band clamps, 4 wide-angled...Now: $2,037.59Was: $2,263.99 -
On Sale
6 X 108 Inch TPHD Chrome Exhaust Kit W/ Miter Stacks & OE Style Elbows
TPHD
Now: $1,727.09Was: $1,918.996 Inch Chrome Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 Introducing our Exhaust Kit, perfect for truck upgrades. This kit includes chrome-plated steel components such as elbows, clamps, grommets, brackets, spools, stacks, and a silicone...Now: $1,727.09Was: $1,918.99 -
On Sale
TPHD 7-5 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long Drop 90 Degree Elbows, 52 In. Spool For Peterbilt 378, 379
TPHD
Now: $2,271.59Was: $2,523.99Peterbilt 7 Inch Chrome Exhaust Kit W/ 52 Inch Spool Upgrade your vehicle's exhaust system with our Flat Top Exhaust Kit, a comprehensive solution for enhanced performance. This kit includes everything you need for installation, featuring two 7x60 Inch...Now: $2,271.59Was: $2,523.99 -
On Sale
TPHD 8-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks & Long Drop Elbows For Peterbilt 378, 379
TPHD
Now: $2,680.19Was: $2,977.99Peterbilt Chrome 8 Inch Exhaust Kit W/ 52 Inch Spool & Long Drop 90 Degree ElbowsUpgrade your exhaust system with our West Coast Exhaust Kit featuring an 8-5 long drop 90 elbow and a 52-inch spool. This comprehensive kit includes 2 8x60-inch West Coast...Now: $2,680.19Was: $2,977.99