Jeep Grand Cherokee EcoDiesel 3.0L - Cat & DPF Delete Pipe (2014-2018)
Type: exhaust-component
Introduction
The Jeep Grand Cherokee EcoDiesel 3.0L - Cat & DPF Delete Pipe (2014-2018) replaces the factory downpipe to remove the catalytic converter and DPF for maximum off-road flow. Expect quicker spool, better engine efficiency and stronger pull.
Features
- Race downpipe that replaces factory cat + DPF
- No bungs for an unrestricted path
- 3" tubing in aluminized steel or T409 stainless
- OE-style hangers for secure, factory-like fit
- Built for competition use and high heat cycles
Benefits
- Gains in horsepower and torque from reduced backpressure
- Faster turbo response and smoother mid-range
- Potential fuel efficiency improvement with proper race calibration
- Lower EGT tendency under load
- Longer system life with T409 stainless in harsh climates
Compatibility
- Jeep Grand Cherokee EcoDiesel 3.0L: 2014, 2015, 2016, 2017, 2018
Technical Specifications
- Layout: Turbo downpipe replacement (cat + DPF delete)
- Diameter: 3.0 in (76 mm)
- Materials: Aluminized steel (value) or T409 stainless (premium durability)
- Mounting: OE-style hanger locations
- Emissions: Race part, no sensor bungs
Installation & Notes
- Install difficulty: Moderate; lift and basic hand tools recommended
- Tuning: Race tuning required to prevent DTCs and realize gains
- Sound: Louder than stock; add downstream muffling if desired
- Legal: Off-road/competition use only. Verify local, state, and federal laws before purchase or installation
Frequently Asked Questions
Q: Does this fit all 2014-2018 EcoDiesel Grand Cherokees?
Yes. It’s designed for the 3.0L EcoDiesel WK2 platform across 2014-2018.
Q: Do I need tuning?
Yes. A race calibration is required after install.
Q: Aluminized vs. T409 stainless—what should I choose?
Aluminized = best value. T409 stainless = superior rust and heat resistance for long-term use.
Q: Will this trigger a check-engine light without tuning?
Yes. Apply race tuning to disable related monitors and codes.
Important Notes:
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control 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 vehicle’s 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.
