loading Loading... Please wait...

Order Now, Pay Later with Affirm Logo Prequalify Now

Launch Rewards
  • Peterbilt 359 379 7" Duplex Exhaust Kit New
  • Image 2
  • Peterbilt 359 379 7" Duplex Exhaust Kit Mitered
  • Peterbilt 359 379 7" Duplex Exhaust Kit Straight

Peterbilt 379 7" Chrome Duplex Exhaust Kit

Product #:  
Calculated at checkout

Product Description

Peterbilt 379 7" Chrome Duplex Exhaust Kit

  • 7" Chrome Duplex Exhaust Kit
  • Elbows Are 7" Diameter Reducing to 5" Underneath The Truck
  • Fits Peterbilt 379 Model 1994-2002 Or 2003 And Newer (Only For Non-DPF/DEF Trucks) (Choose Option Above)
  • All Clamps & Bracketry For Underneath The Truck Are Sold Separately
  • This Kit Includes:
    • (2) Factory Angle Elbows Or 90 Degree Angle Picket Style Elbows (Choose Option Above)
    • (2) Center Spools
    • (4) Clamps/Brackets - Appropriate Cab Bracketry for Your Truck
    • (8) Bushings
    • (2) Flat Tops Or Mitered Stacks (Choose Option Above)
  • Comes With Straight or Offset Clamps/Brackets (Choose Option Above) 
  • Elbows & Center Spools Include Tapered Tops For Tight Seal
  • Sold As A Kit
  • Quality American Made Product

*This product ships LTL Freight and the shipping quotes are based on commercial addresses only. If you need a quote to have this delivered to a residential address or farm, please call us so we can provide you with an accurate shipping price. Failing to provide a commercial address could result in delays with processing your order. Please refer to our Shipping Info section at the bottom of our website for more information.

If you should need additional Truck Parts and Accessories, please don't hesitate to call our toll-free number 1-888-888-7990


Click on a question to view answer, or to follow a question for updates.

Warranty Information

Chrome-plated (except weld area) and aluminized parts, used on trucks and school bus exhaust applications, are warranted against defective material and workmanship for a period of 1 year from date of shipment. It is the distributor’s responsibility to inform its customers of our warranty conditions and of proper installation techniques. Grand Rock cannot be held responsible for damage done as a result of improper installation. If a part is determined to be defective, Grand Rock reserves the right to repair or replate only and return the part that has been modified, altered, or otherwise damaged. Neglect is not warranty! Keep Chrome parts clean and waxed!

Product Reviews

Click the button below to add the Peterbilt 379 7" Chrome Duplex Exhaust Kit to your wish list.