Nissan Cummins 5.0L Downpipe Back Exhaust (2016-2018)
Type: Downpipe-Back Exhaust
Unleash your Titanβs full potential. Upgrade your 2016β2018 Nissan Titan XD 5.0L Cummins with the Flo~Pro 4" Downpipe-Back Race Exhaust System. This system replaces the restrictive factory setup with a free-flowing, performance-built exhaust designed to maximize torque, throttle response, and efficiencyβwhile delivering an aggressive exhaust tone worthy of the Cummins name.
The Flo~Pro downpipe-back exhaust system is engineered for serious Titan XD owners who want power, sound, and reliability. Constructed from 16-gauge stainless or aluminized steel with mandrel-bent tubing, it ensures unrestricted flow and consistent performance whether youβre towing, racing, or off-roading. Includes all hardware and clamps for a direct bolt-on fit.
Vehicle Fitment
- 2016β2018 Nissan Titan XD β 5.0L Cummins Diesel
Specifications
| Diameter | 4β mandrel-bent tubing |
| Material | 16-gauge aluminized steel or T409 stainless steel |
| Configuration | Downpipe-back, single side exit |
| Finish | Natural or polished (depending on material) |
| Weight | Approx. 61 lbs |
| Use | Off-road and competition applications only |
| Includes | Clamps, contour-bent hangers, flanges, and mounting hardware |
Key Features
- 4-inch downpipe-back design β Unrestricted exhaust flow for maximum torque and horsepower.
- Durable construction β 16-gauge T409 stainless or aluminized steel stands up to heat and corrosion.
- Precision fitment β Mandrel-bent piping, prewelded flanges, and OE-style hangers ensure direct bolt-on installation.
- Leak-free assembly β High-quality clamps included for secure, reliable sealing.
- Clean performance look β No bungs for a smooth, race-ready appearance.
- Single side exit β Enhances flow and adds a bold, finished look.
Benefits
- Improves horsepower and torque for stronger pulling and acceleration
- Enhances throttle response and engine efficiency
- Lowers EGTs for better performance under heavy load
- Delivers a deep, aggressive exhaust note
- Built for high-heat, off-road, and towing conditions
Frequently Asked Questions
Is this exhaust legal for street use?
No. This system is designed strictly for off-road and race applications. It is not legal for highway use.
What material options are available?
You can choose between 16-gauge aluminized steel (budget-friendly, durable) or T409 stainless steel (maximum corrosion resistance).
Does this exhaust require tuning?
Yes. Proper aftermarket tuning is required to achieve the intended power and performance gains.
Will this improve towing capability?
Yes. Increased exhaust flow and reduced backpressure lower EGTs, helping your Titan tow with more consistent power and less strain.
How difficult is installation?
Installation is straightforward. The system uses prewelded bends, OE-style hangers, and supplied clamps for a clean, bolt-on fit with standard tools.
Important Notes:
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Important Notices
- OffβRoad Use Only
Products sold by JS Speed are intended for offβroad use and may be illegal on public roads where emissions or pollutionβcontrol laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicleβs factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
