Dual exhaust system warranties typically range from 12 to 24 months, though some manufacturers offer limited lifetime coverage on specific components. The most common reason a warranty claim is refused in this category is the presence of visible signs of improper installation, such as weld failures at the mounting points or signs of heat damage caused by incorrect pipe routing.
What Does a Dual Exhaust System Warranty Cover?
A dual exhaust system warranty covers manufacturing defects in the materials and construction of the exhaust components. This generally ensures that the hardware performs as intended under normal operating conditions without structural failure.
- Manufacturing defects in the metalwork or welds
- Material degradation occurring within the warranty period
- Failures of specific components like mufflers or resonators due to production flaws
- Corrosion that occurs before the expiration of the warranty period
Warranty exclusions typically focus on issues caused by external factors, high-stress environments, or modifications made after the system was installed.
- Damage caused by road debris, rocks, or physical impacts
- Corrosion resulting from chemical exposure or salt in specific climates
- Failures caused by improper vehicle maintenance or engine backpressure issues
- Modifications to the piping, including custom cuts or welds
- Damage resulting from the use of the system in competition or off-road racing
Reviewed examples from this category
3 reviewed options, $305.99 to $819.90, with the full write-up behind each name.
Gibson 98021 Stainless Dual Exhaust System
$819.90 price checked August 2026
If you own a Bronco, browse our comparison of the best dual outlet exhaust for ford bronco to see which setup fits your truck.
How Does the Seller Affect Your Warranty?
The source from which you purchase a dual exhaust system dictates the path for a warranty claim and the level of protection you receive.
Direct from the Manufacturer
Purchasing directly from the maker provides the most straightforward claim path, as the manufacturer holds the primary responsibility for the warranty. You deal directly with the source of the manufacturing data and quality control.
Authorised Retailers
Authorised retailers act as a bridge between the manufacturer and the buyer. They are permitted to process claims on behalf of the maker, but they may have specific internal policies regarding how quickly they facilitate these claims.
Owners of street vehicles should view our guide to the best dual exhaust system for daily performance to ensure a balanced sound.
Marketplace Sellers
Marketplace sellers often operate as third-party entities that may not have a direct relationship with the manufacturer. If a defect occurs, you may have to navigate a complex process of returning the item to the seller before they decide to contact the manufacturer for a replacement.
Refurbished or Open-Box Sellers
Refurbished or open-box items often carry significantly reduced or non-existent warranties. In many cases, the original manufacturer’s warranty is voided once the product is sold outside of primary retail channels.
Importers or Grey-Market Sellers
Grey-market sellers provide products intended for different regions. These products often lack local warranty support, meaning you may have to ship the entire dual exhaust system back to the country of origin at your own expense to seek a remedy.
What Actions Void a Dual Exhaust System Warranty?
Specific actions taken after the purchase of a dual exhaust system can immediately void any manufacturer coverage. Because these systems are subject to extreme heat and vibration, the integrity of the original design is paramount.
Modifying the pipe diameter or the length of the sections voids the warranty. If a buyer cuts the piping to accommodate a different bumper or to change the exit angle, the structural integrity of the welds is compromised, and the manufacturer will typically refuse a claim.
The use of the system in a competition environment is another common voiding factor. Systems designed for street use are not engineered for the sustained high-RPM loads of track racing, and any failure resulting from such use is excluded from standard coverage.
Failure to follow specific mounting instructions also voids coverage. If the system is installed without the required hangers or heat shielding, and the resulting heat damage causes a failure, the installer is held responsible rather than the manufacturer.
What Should You Do Before Buying?
To ensure a future warranty claim is successful, you must establish a clear paper trail and confirm your vehicle’s compatibility before the purchase is finalized.
- Save a digital copy of the specific warranty document for the model you select
- Record the manufacturing date and serial numbers of the components upon delivery
- Take clear photos of the product before it is installed on your vehicle
- Verify that your vehicle’s chassis and engine configuration match the manufacturer’s requirements
- Confirm the specific installation requirements with a qualified technician before ordering
Is an Extended Warranty Worth It?
An extended warranty for a dual exhaust system is worth it only if the product is used in high-salinity environments or if the manufacturer’s standard coverage is notably short. If you are using the system for standard street driving and have a 24-month manufacturer warranty, an additional paid extension is rarely necessary. However, if the standard warranty is only 6 to 12 months, an extension can provide peace of mind against premature corrosion in regions where road salt is prevalent.