Free Shipping to Continental U.S.

  • Wishlist
  • My Account
    • Login
    • Sign Up
  • 0
Toggle menu
TRJ Motors
×
×

    Shop By Category

  • Shop All
  • Catalytic Converters
    • Direct Fit Catalytic Converters
    • Universal Catalytic Converters
    • Catalytic Converter Cleanser
  • Chrome Elbows
  • Diesel & Heavy Duty Exhaust
    • Diesel Mufflers
    • Diesel Tips
  • Exhaust Accessories & Hardware
    • Band Clamps
    • Flanges
    • Gaskets
    • Hangers
    • O2 Bungs and Plugs
    • Stainless V-Band Clamps
  • Exhaust Adapters & Fittings
    • Connectors
    • Reducers
  • Exhaust Cutouts
  • Exhaust Elbows
    • 180 Degree Elbows
    • 45 Degree Elbows
    • 90 Degree Elbows
    • Chrome Elbows
  • Exhaust Kits
    • Borla Kits
    • BRE Exhaust Kits
    • Flowmaster Kits
    • Magnaflow Kits
  • Exhaust Tips
    • Black Tips
    • Blue Flame Tips
    • Chrome over Stainless
    • Chrome Tips
    • Diesel Tips
    • Dual Y-Tips
    • Stainless Steel Tips
  • Flex Pipes
    • Semi-Direct Fit Flex Repair
    • Universal Flex Pipes Blanks
    • Universal Flex Pipes with Ends
    • Spherical Joints
  • Header Pieces
    • Header Collectors
    • Header Flanges
  • Mufflers
    • Diesel Mufflers
    • OEM Replacement Mufflers
    • Universal Economy Mufflers
    • Universal Premium Mufflers
    • Performance Mufflers
      • Black Widow Exhaust
      • Borla
      • Budget Performance Mufflers
      • Carven
      • Cherry Bomb
      • Corsa
      • Flowmaster
      • Magnaflow
      • Thrush/DynoMax
      • Turbo Mufflers
      • Xlerator by AP Exhaust
  • Muffler Delete Pipes
  • T-Pipes
  • X-Pipes
  • Y-Pipes
  • Shop By Brand

  • AP Exhaust
  • Walker Exhaust
  • Magnaflow
  • Different Trends
  • Cateran
  • Flowmaster
  • Jones Exhaust
  • Davico
  • Borla
  • Dynomax
  • Xtreme Performance Exhaust
  • Xlerator by AP Exhaust
  • Cherry Bomb
  • Black Widow Exhaust
  • Flo Pro
  • Nickson
  • Canammex
  • Carven Exhaust
  • Corsa Performance
  • Super Toy Chrome by Farrow Fabricating
  • View all Brands
  • Main Menu

  • Home
  • Brands
  • Search
  • About US
  • Shipping & Returns
  • Contact Us
  • Gift Certificates
  • Login or Sign Up

    Shop By Category

  • Shop All
  • Catalytic Converters
    • Direct Fit Catalytic Converters
    • Universal Catalytic Converters
    • Catalytic Converter Cleanser
  • Chrome Elbows
  • Diesel & Heavy Duty Exhaust
    • Diesel Mufflers
    • Diesel Tips
  • Exhaust Accessories & Hardware
    • Band Clamps
    • Flanges
    • Gaskets
    • Hangers
    • O2 Bungs and Plugs
    • Stainless V-Band Clamps
  • Exhaust Adapters & Fittings
    • Connectors
    • Reducers
  • Exhaust Cutouts
  • Exhaust Elbows
    • 180 Degree Elbows
    • 45 Degree Elbows
    • 90 Degree Elbows
    • Chrome Elbows
  • Exhaust Kits
    • Borla Kits
    • BRE Exhaust Kits
    • Flowmaster Kits
    • Magnaflow Kits
  • Exhaust Tips
    • Black Tips
    • Blue Flame Tips
    • Chrome over Stainless
    • Chrome Tips
    • Diesel Tips
    • Dual Y-Tips
    • Stainless Steel Tips
  • Flex Pipes
    • Semi-Direct Fit Flex Repair
    • Universal Flex Pipes Blanks
    • Universal Flex Pipes with Ends
    • Spherical Joints
  • Header Pieces
    • Header Collectors
    • Header Flanges
  • Mufflers
    • Diesel Mufflers
    • OEM Replacement Mufflers
    • Universal Economy Mufflers
    • Universal Premium Mufflers
    • Performance Mufflers
      • Black Widow Exhaust
      • Borla
      • Budget Performance Mufflers
      • Carven
      • Cherry Bomb
      • Corsa
      • Flowmaster
      • Magnaflow
      • Thrush/DynoMax
      • Turbo Mufflers
      • Xlerator by AP Exhaust
  • Muffler Delete Pipes
  • T-Pipes
  • X-Pipes
  • Y-Pipes
  • Shop By Brand

  • AP Exhaust
  • Walker Exhaust
  • Magnaflow
  • Different Trends
  • Cateran
  • Flowmaster
  • Jones Exhaust
  • Davico
  • Borla
  • Dynomax
  • Xtreme Performance Exhaust
  • Xlerator by AP Exhaust
  • Cherry Bomb
  • Black Widow Exhaust
  • Flo Pro
  • Nickson
  • Canammex
  • Carven Exhaust
  • Corsa Performance
  • Super Toy Chrome by Farrow Fabricating
  • View all Brands
  • Main Menu

  • Home
  • Brands
  • Search
  • About US
  • Shipping & Returns
  • Contact Us
  • Gift Certificates
  • Login or Sign Up

Shop by Category

  • Shop All
  • Catalytic Converters
    • Direct Fit Catalytic Converters
    • Universal Catalytic Converters
    • Catalytic Converter Cleanser
  • Chrome Elbows
  • Diesel & Heavy Duty Exhaust
    • Diesel Mufflers
    • Diesel Tips
  • Exhaust Accessories & Hardware
    • Band Clamps
    • Flanges
    • Gaskets
    • Hangers
    • O2 Bungs and Plugs
    • Stainless V-Band Clamps
  • Exhaust Adapters & Fittings
    • Connectors
    • Reducers
  • Exhaust Cutouts
  • Exhaust Elbows
    • 180 Degree Elbows
    • 45 Degree Elbows
    • 90 Degree Elbows
    • Chrome Elbows
  • Exhaust Kits
    • Borla Kits
    • BRE Exhaust Kits
    • Flowmaster Kits
    • Magnaflow Kits
  • Exhaust Tips
    • Black Tips
    • Blue Flame Tips
    • Chrome over Stainless
    • Chrome Tips
    • Diesel Tips
    • Dual Y-Tips
    • Stainless Steel Tips
  • Flex Pipes
    • Semi-Direct Fit Flex Repair
    • Universal Flex Pipes Blanks
    • Universal Flex Pipes with Ends
    • Spherical Joints
  • Header Pieces
    • Header Collectors
    • Header Flanges
  • Mufflers
    • Diesel Mufflers
    • OEM Replacement Mufflers
    • Universal Economy Mufflers
    • Universal Premium Mufflers
    • Performance Mufflers
      • Black Widow Exhaust
      • Borla
      • Budget Performance Mufflers
      • Carven
      • Cherry Bomb
      • Corsa
      • Flowmaster
      • Magnaflow
      • Thrush/DynoMax
      • Turbo Mufflers
      • Xlerator by AP Exhaust
  • Muffler Delete Pipes
  • T-Pipes
  • X-Pipes
  • Y-Pipes
  • Shop by Brand

  • AP Exhaust
  • Walker Exhaust
  • Magnaflow
  • Different Trends
  • Cateran
  • Flowmaster
  • Jones Exhaust
  • Davico
  • Borla
  • Dynomax
  • View all Brands
    • Home
    • Mufflers
    • Diesel Mufflers
    • Stainless Steel Diesel Muffler - 4" In 4" Out 7" Round 24" Body 30" Overall
  • Stainless Steel Diesel Muffler - 4" In 4" Out  7" Round 24" Body 30" Overall
  • Stainless Steel Diesel Muffler - 4" In 4" Out  7" Round 24" Body 30" Overall

    Stainless Steel Diesel Muffler - 4" In 4" Out 7" Round 24" Body 30" Overall

    Different Trends

    MSRP:
    Now: $84.14
    (You save )
    (No reviews yet) Write a Review
    SKU:
    DIFD40940702430
    Condition:
    New
    Inlet Diameter:
    4 in
    Outlet Diameter:
    4 in
    Body Length:
    24 in
    Body Type:
    Round
    Manufacturer Part Number:
    D40940702430
    Material:
    Stainless Steel
    Overall Length:
    30 in
    Product Type:
    Diesel Muffler

    Adding to cart… category.add_cart_announcement
    Add to Wish List
    • Create New Wish List
    • Facebook
    • Email
    • Print
    • Twitter
    • Pinterest
    • Overview
    • Reviews

    Product Description

    Upgrade your diesel exhaust system with this high quality stainless steel muffler designed for long life, strong flow, and a deep, mellow exhaust tone. This muffler features a 4 inch slotted inlet and a 4 inch slotted outlet for easy slip fit installation on standard 4 inch diesel exhaust tubing. The 7 inch round body helps create a smooth, rich tone without excessive noise, making it ideal for heavy duty trucks, tow rigs, and performance diesel builds. With a 24 inch body length and a 30 inch overall length, this muffler provides excellent exhaust flow, balanced backpressure, and reliable performance under demanding conditions. Built from corrosion resistant stainless steel, it offers superior durability compared to aluminized steel and stands up to heat, moisture, and harsh environments. Perfect for custom exhaust fabrication or replacing a worn factory muffler. Please verify all dimensions before purchasing to ensure proper fit.

    Product Videos

    Custom Field

    Inlet Diameter 4 in
    Outlet Diameter 4 in
    Body Length 24 in
    Body Type Round
    Manufacturer Part Number D40940702430
    Material Stainless Steel
    Overall Length 30 in
    Product Type Diesel Muffler

    Product Reviews

    Write a Review

    Write a Review

    ×
    Stainless Steel Diesel Muffler - 4" In 4" Out  7" Round 24" Body 30" Overall
    Different Trends
    Stainless Steel Diesel Muffler - 4" In 4" Out 7" Round 24" Body 30" Overall

    Recommended

    • Stainless Steel Diesel Muffler - 4" In 4" Out  8" Round 24" Body 30" Overall Stainless Steel Diesel Muffler - 4" In 4" Out  8" Round 24" Body 30" Overall
      Quick view Details

      Different Trends

      |

      sku: DIFD40940802430

      Stainless Steel Diesel Muffler - 4" In 4" Out 8" Round 24" Body 30" Overall

      MSRP:
      Now: $91.90
      Add to Cart
    • Stainless Steel Diesel Muffler - 5" In 5" Out  7" Round 24" Body 30" Overall Stainless Steel Diesel Muffler - 5" In 5" Out  7" Round 24" Body 30" Overall
      Quick view Details

      Different Trends

      |

      sku: DIFD40950702430

      Stainless Steel Diesel Muffler - 5" In 5" Out 7" Round 24" Body 30" Overall

      MSRP:
      Now: $83.42
      Add to Cart
    • Stainless Steel Diesel Muffler - 5" In 5" Out  8" Round 24" Body 30" Overall Stainless Steel Diesel Muffler - 5" In 5" Out  8" Round 24" Body 30" Overall
      Quick view Details

      Different Trends

      |

      sku: DIFD40950802430

      Stainless Steel Diesel Muffler - 5" In 5" Out 8" Round 24" Body 30" Overall

      MSRP:
      Now: $89.67
      Add to Cart
    • Heavy Duty Diesel Muffler - 4" Inlet 4" Outlet  7" Round 24" Body 30" Overall Heavy Duty Diesel Muffler - 4" Inlet 4" Outlet  7" Round 24" Body 30" Overall
      Quick view Details

      Different Trends

      |

      sku: DIFALM40702430

      Heavy Duty Diesel Muffler - 4" Inlet 4" Outlet 7" Round 24" Body 30" Overall

      MSRP:
      Now: $83.33
      Add to Cart
    • Heavy Duty Diesel Muffler - 4" Inlet 4" Outlet  8" Round 24" Body 30" Overall Heavy Duty Diesel Muffler - 4" Inlet 4" Outlet  8" Round 24" Body 30" Overall
      Quick view Details

      Different Trends

      |

      sku: DIFALM40802430

      Heavy Duty Diesel Muffler - 4" Inlet 4" Outlet 8" Round 24" Body 30" Overall

      MSRP:
      Now: $92.26
      Add to Cart
    ×
    ×
    Join Our Mailing List for special offers!
    Contact Us
    sales@trjmotors.com
    Accounts & Orders
    • Wishlist
    • Login or Sign Up
    • Shipping & Returns
    Quick Links
    • Home
    • Brands
    • Search
    • About US
    • Shipping & Returns
    • Contact Us
    • © TRJ Motors
    • |
    • Sitemap
    • |
    • Premium BigCommerce Theme by Lone Star Templates