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
TPHD 7-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks & Long Drop Elbows For Peterbilt 378, 379
TPHD
Now: $2,327.39Was: $2,585.99Peterbilt Chrome 7 Inch Exhaust Kit W/ 52 Inch Spool & 90 Degree Long Drop ElbowsUpgrade your vehicle's exhaust system with our West Coast Exhaust Kit, featuring a 7-5 Long Drop 90 Elbow and a 52 Spool. This comprehensive kit includes two 7x60 Inch West...Now: $2,327.39Was: $2,585.99 -
On Sale
TPHD 6-5 X 96 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, 55 In. Spool For Peterbilt 378, 379, 389
TPHD
Now: $1,781.99Was: $1,979.99Peterbilt 6 Inch Miter Exhaust Kit W/ 55 Inch SpoolUpgrade your vehicle's exhaust system with our Miter Exhaust Kit, complete with a 6-5 Long Drop 90 Elbow and a 55 Spool for optimal performance. This comprehensive kit includes two 6x44 Inch Miter Top...Now: $1,781.99Was: $1,979.99 -
On Sale
TPHD 6-5 X 96 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, 52 In. Spool For Peterbilt 378, 379
TPHD
Now: $1,781.99Was: $1,979.99Peterbilt 6 Inch Miter Top Exhaust Kit W/ 52 Inch SpoolUpgrade your vehicle's exhaust system with our Miter Exhaust Kit, featuring a 6-5 Long Drop 90 Elbow and a 52 Spool. This comprehensive kit includes two 6x44 Inch Miter Top Stacks, two 6x52 Inch...Now: $1,781.99Was: $1,979.99 -
On Sale
TPHD 7-5 X 108 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, 55 In. Spool For Peterbilt 378, 379, 389
TPHD
Now: $2,216.69Was: $2,462.99Peterbilt 7 Inch Flat Top Exhaust Kit W/ 55 Inch SpoolUpgrade your vehicle's exhaust system with our Miter Exhaust Kit, a comprehensive solution for enhanced performance. This kit includes everything you need for installation, featuring two 7x54 Inch...Now: $2,216.69Was: $2,462.99 -
On Sale
TPHD 7-5 X 108 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, 52 In. Spool For Peterbilt 378, 379
TPHD
Now: $2,216.69Was: $2,462.99Peterbilt 7 Inch Miter Top Exhaust Kit W/ 52 Inch SpoolUpgrade your vehicle's exhaust system with our comprehensive Exhaust Kit, offering all necessary components for installation. This kit includes (2) 7x54 Inch Miter Top Stacks, (2) 7x52 Inch Center...Now: $2,216.69Was: $2,462.99 -
On Sale
TPHD 7-5 X 108 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long Drop 90 Degree Elbows, 55 In. Spool For Peterbilt 378, 379, 389
TPHD
Now: $2,216.69Was: $2,462.99Peterbilt 7 Inch Chrome Exhaust Kit W/ 55 Inch Spool Enhance your vehicle's exhaust system with our Flat Top Exhaust Kit, a comprehensive solution for improved performance. This kit includes everything you need for installation, featuring two 7x54 Inch...Now: $2,216.69Was: $2,462.99 -
On Sale
TPHD 7-5 X 96 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long Drop 90 Degree Elbows, 52 In. Spool For Peterbilt 378, 379
TPHD
Now: $2,133.89Was: $2,370.99Peterbilt 7 Inch Chrome Exhaust Kit W/ 52 Inch Spool Enhance your vehicle's exhaust system with our Flat Top Exhaust Kit, a comprehensive solution for improved performance. This kit includes everything you need for installation, featuring two 7x44 Inch...Now: $2,133.89Was: $2,370.99 -
On Sale
TPHD 7-5 X 114 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, 55 In. Spool For Peterbilt 378, 379, 389
TPHD
Now: $2,271.59Was: $2,523.99Peterbilt 7 Inch Miter Top Exhaust Kit W/ 55 Inch SpoolUpgrade your vehicle's exhaust system with our Miter 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 7-5 X 114 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, 52 In. Spool For Peterbilt 378, 379
TPHD
Now: $2,271.59Was: $2,523.99Peterbilt 7 Inch Miter Top Exhaust Kit W/ 52 Inch SpoolUpgrade your vehicle's exhaust system with our comprehensive Exhaust Kit, featuring all the necessary components for installation. This kit includes (2) 7x60 Inch Miter Top Stacks, (2) 7x52 Inch...Now: $2,271.59Was: $2,523.99 -
On Sale
TPHD 7 X 114 Inch Flat Top Exhaust Kit W/ Long Drop 90 Degree Elbow, 55 Spool For Peterbilt 378, 379, 389
TPHD
Now: $2,271.59Was: $2,523.99Peterbilt 7 Inch Miter Top Exhaust Kit W/ 55 Inch SpoolUpgrade 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 7-5 X 108 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks & Long Drop Elbows For Peterbilt 378, 379, 389
TPHD
Now: $2,271.59Was: $2,523.99Peterbilt Chrome 7 Inch Exhaust Kit W/ 55 Inch Spool & 90 Degree Long Drop ElbowsUpgrade your vehicle's exhaust system with our comprehensive West Coast Exhaust Kit, featuring everything you need for installation. This kit includes two 7x54 Inch West...Now: $2,271.59Was: $2,523.99 -
On Sale
TPHD 8-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks & Long Drop Elbows
TPHD
Now: $2,644.19Was: $2,937.998 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree ElbowsIntroducing our Aluminized Steel Exhaust Kit, designed for optimal performance and durability. This kit includes everything you need for installation, from chrome long-leg elbows to...Now: $2,644.19Was: $2,937.99