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Peterbilt 386 Exhaust Kits


 Few things stand out more on your rig than that beautiful, chromed-out stack. An essential part of your truck, a better exhaust means your whole system will be running smoother. If you’re looking for an all-in-one option, check out our Peterbilt 386 exhaust kits by Dynaflex and Interstate-McBee. If you only need a few parts, we also carry a wide selection of replacement clamps, reducers, couplers, miscellaneous pipes, and more for your Peterbilt 386 exhaust. No matter how you choose to upgrade your exhaust, all of our parts are made from high-quality material and backed by warranties that we take pride in. Give us a call with any questions regarding your Peterbilt 386 exhaust or shop online today!

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  • On Sale
    Aluminized 8" x 45" Internal VK Style Muffler Insert

    GrandRock

    MSRP: $628.95
    $553.48
    Aluminized Steel 8" x 45" Internal VK Style Muffler Insert *Dual Exhaust Applications Only! *NOT Designed to Work with Emission Equipped Engines or Stacks with Built-In Reducer. These VK Style muffler inserts are made in the USA from aluminized steel...
    MSRP: $628.95
    $553.48
  • On Sale
    Aluminized 7" x 45" Internal VK Style Muffler Insert

    GrandRock

    MSRP: $614.95
    $541.16
    Aluminized Steel 7" x 45" Internal VK Style Muffler Insert *Dual Exhaust Applications Only! *NOT Designed to Work with Emission Equipped Engines or Stacks with Built-In Reducer. These VK Style muffler inserts are made in the USA from aluminized steel...
    MSRP: $614.95
    $541.16
  • On Sale
    Aluminized 6" x 45" Internal VK Style Muffler Insert

    GrandRock

    MSRP: $571.95
    $503.32
    Aluminized Steel 6" x 45" Internal VK Style Muffler Insert *Dual Exhaust Applications Only! *NOT Designed to Work with Emission Equipped Engines or Stacks with Built-In Reducer. These VK Style muffler inserts are made in the USA from aluminized steel...
    MSRP: $571.95
    $503.32
  • On Sale
    Aluminized 5" x 45" Internal VK Style Muffler Insert

    GrandRock

    MSRP: $542.95
    $477.80
    Aluminized Steel 5" x 45" Internal VK Style Muffler Insert *Dual Exhaust Applications Only! *NOT Designed to Work with Emission Equipped Engines or Stacks with Built-In Reducer. These VK Style muffler inserts are made in the USA from aluminized steel...
    MSRP: $542.95
    $477.80
  • On Sale
    6" Universal Chrome Muffler CM-56C

    GrandRock

    MSRP: $529.37
    $465.85
    6" Universal Chrome Muffler CM-56C High Quality Chrome Muffler Universal Fitment Body Diameter: 6" Body Length: 38.4" Overall Length: 51" ID/ID: 5"/6" Loud Internal Louvered Core Sold Individually Quality Made Product If you should need...
    MSRP: $529.37
    $465.85
  • On Sale
    6" Universal Chrome Muffler CM-55C

    GrandRock

    MSRP: $519.07
    $456.78
    6" Universal Chrome Muffler CM-55C High Quality Chrome Muffler Universal Fitment Internal Louvered Core Body Diameter: 6" Body Length: 38.4" Overall Length: 51" ID/ID: 5"/5" Sold Individually Quality Made Product If you should need...
    MSRP: $519.07
    $456.78
  • On Sale
    Universal 5" x 120" 409 Stainless Steel Flex Tube

    GrandRock

    MSRP: $596.32
    $524.76
    Universal 5" x 300" 409 Stainless Steel Flex Pipe High Quality Flex Pipe Universal Fitment Sturdy 409 Stainless Steel Construction ID/ID Dimensions: 5" D x 300" L Sold Individually Quality Made Product *This product ships LTL Freight and the shipping...
    MSRP: $596.32
    $524.76
  • On Sale
    Universal 5" x 120" Stainless Steel Flex Tube

    GrandRock

    MSRP: $596.74
    $525.13
    Universal 4" x 300" Stainless Steel Flex Pipe High Quality 304 Stainless Steel Flex Pipe Universal Fitment Dimensions: 4" D x 300" L Sold Individually Quality Made Product *This product ships LTL Freight and the shipping quotes are based on commercial...
    MSRP: $596.74
    $525.13
  • On Sale
    10" High Flow Replacement Muffler Fuel Saver 10" High Flow Replacement Muffler Fuel Saver On Exhaust Kit

    GrandRock

    MSRP: $559.38
    $492.25
    10" High Flow Replacement Muffler Fuel Saver *Please Verify The Dimensions Of The Muffler To Ensure Fitment High Flow Replacement Muffler Studies Have Shown A Minimum Of 3% Increase In Gas Mileage Replaces 10" Diameter Stock Mufflers Works On All...
    MSRP: $559.38
    $492.25
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