-10%
Borla Heavy Duty (Truck) Muffler - 3in Center-Center 24in x 6.75in Round (Notched)-Borla-BOR400500
Click to zoom in

Borla Heavy Duty (Truck) Muffler - 3in Center-Center 24in x 6.75in Round (Notched)

Borla
BOR400500
808422005005
Muffler
20+ Units In Stock - Ships Next Business Day
$ 273.99 $ 244.99
$ 244.99

SKU: 400500   |   UPC: 808422005005

Borla 400500 Heavy Duty Truck Muffler - 3in Center Inlet/3in Center Outlet 6.75in Round x 24in Long Body Notched Necks

Borla 400500 is a specialty heavy duty muffler designed for trucks and SUVs needing a long body design. This universal reversible muffler features 3-inch center inlet and outlet with notched necks for straightforward clamp installation. It delivers the signature Borla Sound of Power plus gains in power, torque, fuel economy, and engine life.

Key Features

  • T-304 Stainless Steel Construction: High-quality austenitic stainless steel resists rust with 100% welded build for maximum strength and durability.
  • Free Flow Design: Enhances exhaust flow for better performance, quicker throttle response, and improved horsepower across the RPM range.
  • Notched Necks: Allows easy clamp-in installation using one wide band clamp 18327 (sold separately) for secure, vibration-free fit.
  • Reversible Design: Provides installation flexibility to match exhaust routing on various truck and SUV setups.
  • High-Temperature CFF Acoustic Material: Controls sound for that aggressive yet refined Borla tone without drone.

Product Notes

  • Overall length 28 inches; body 24 inches long x 6.75 inches round; main piping 3 inches.
  • Alternate un-notched version available as 400436; for clamping un-notched, use three wide band clamps 18006.
  • Ships in protective packaging; weight 14 lbs.

Installation Notes

  • Professional installation recommended.
  • Notched necks designed for one wide band clamp 18327 per side (clamps not included).
  • Compatible with 3-inch exhaust systems; reversible for center-in/center-out configurations.

This Part Fits

Year Make Model Submodel
Universal Various Trucks & SUVs 3in Exhaust Systems

Why Choose Borla?

  • Leader in stainless steel performance exhaust since pioneering systems for classics like Rolls-Royce and Ferrari.
  • Engineered for real-world power gains, distinctive sound, and million-mile warranty.
  • Made in the USA with precision welding and materials for lasting performance.

Frequently Asked Questions

  • Q: Is this muffler vehicle-specific?
    A: No, Borla 400500 is a universal fit for trucks and SUVs with 3-inch exhaust systems, reversible design ensures compatibility.
  • Q: What material is used and does it rust?
    A: T-304 austenitic stainless steel provides rust resistance; natural mill finish can be brushed or polished.
  • Q: What warranty covers this muffler?
    A: Backed by Borla's Million-Mile warranty for defects in materials and workmanship.

Shipping & Handling

  • Method: Standard ground shipping
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed, approx. 30in x 8in x 8in
  • Weight: 14 lbs
Read More
Read Less

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
Borla

Borla

Discover the Borla Exhaust Systems collection at Black Ops Auto Works, featuring premium American-made exhaust solutions engineered for superior performance, sound, and durability. With decades of innovation and multiple U.S. patents, Borla exhaust systems are trusted by enthusiasts seeking aggressive tone, optimized airflow, and vehicle-specific fitment. Borla Cat-Back & Axle-Back Exhaust Systems Upgrade your vehicle’s sound and performance with Borla cat-back exhaust systems engineered to deliver increased horsepower, improved exhaust flow, and signature Borla tone. For targeted sound enhancement and rear-section upgrades, explore Borla axle-back exhausts, designed for easy installation and refined acoustics. Borla Mufflers, Resonators & Exhaust Components Fine-tune exhaust tone and volume using Borla performance mufflers and Borla exhaust resonators, precision-tuned for optimal sound control and airflow efficiency. Supporting components like Borla mid-pipes, X-pipes, and ... View Our Borla Products...
Exhaust Systems

Exhaust Systems

Find the right performance exhaust system for your car, truck, or SUV with our curated selection of stainless-steel upgrades engineered for power, sound, and reliability. Browse proven layouts like cat-back, axle-back, and turbo-back systems, dial in flow with headers & manifolds and downpipes, or tailor your tone with mufflers & resonators and polished exhaust tips. We also stock emissions-minded solutions including direct-fit catalytic converters and universal catalytic converters. Shop top brands such as Akrapovič, AWE Tuning, Borla, Invidia, GReddy, Perrin, Banks Power, and Gibson. Every option is selected for quality construction (think mandrel-bent tubing and precise welds) and bolt-on fitment, and our Year/Make/Model search makes it easy to match parts to your build—upgrade throttle response, unlock a deeper, refined exhaust note, and enhance your vehicle’s style with components that deliver performance you can feel. View Our Exhaust Systems Products...
Mufflers

Mufflers

Welcome to our Mufflers collection, where performance meets style. Our curated selection offers a variety of mufflers to enhance your vehicle’s sound and efficiency. Whether you’re looking for a subtle upgrade or a loud statement piece, we have the perfect options for you. Why Choose Our Mufflers? High-Quality Materials: Crafted from durable materials to ensure longevity and reliability. Performance Enhancement: Designed to improve your vehicle’s exhaust flow and overall performance. Stylish Designs: Available in various styles to suit your personal taste and vehicle aesthetics. Easy Installation: Many of our mufflers come with easy-to-follow installation instructions for a hassle-free upgrade. Featured Products Check out some of our top-selling mufflers: Performance Muffler X1: Boosts horsepower while providing a deep, aggressive sound. Eco-Friendly Muffler Series: Designed to reduce emissions without compromising on performance. Customizable Muffler Kit: Personalize you... View Our Mufflers Products...
Mufflers & Resonators

Mufflers & Resonators

Welcome to our exclusive Mufflers & Resonators collection! We have meticulously curated options to cater to all automotive enthusiasts. Whether you seek to enhance your vehicle's sound, improve performance, or simply replace worn-out parts, you'll find the perfect solutions here. Why Choose Our Mufflers & Resonators? High Quality: Each product is made from durable materials ensuring longevity. Enhanced Performance: Our selection is designed to improve exhaust flow for better horsepower. Sound Customization: Choose from a variety of sounds to match your style—from aggressive to subtle. Easy Installation: Most products come with straightforward installation instructions. Shop Our Top Products Explore some of our best-selling Mufflers & Resonators: Performance Muffler Series High-Flow Resonators Universal Muffler Kits Custom Exhaust Systems Customer Satisfaction Guaranteed We pride ourselves on providing excellent customer service. Our team is here to help you ch... View Our Mufflers & Resonators Products...

Your cart

×