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T304 Stainless Steel
The Purest Stainless Steel used in Exhaust System Manufacturing
High Rust Resistance
Lasts Up To 20+ years
Looks Better

T409 Stainless Steel
The Standard Stainless Steel used in Exhaust System Manufacturing
Low Rust Resistance
Lasts Up To 5-8 Years
Looks Dull
Attention
A 2022 Cummins Tune Package was added to your cart. This tune is a beta tune that may cause the following:
- Low power
- Poor fuel mileage
- Engine codes that may appear
- Poor shifting characteristics
For a tested and proven tune, please view our Ram Cummins 6.7L All-in-One DPF/DEF/EGR Delete Kit w/ECM Swap (2022-2024)
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 Product Information
Off-Road Use Only: The products sold on this website are intended for off-road use only, and may not be legal for use on public highways where pollution control laws apply.
Check Local Laws: Before purchasing and installing any of these parts, please check your local and state laws to confirm whether the modifications are legal in your area.
Professional Installation Recommended: These kits and parts are strongly recommended to be installed by professional mechanics only. Improper installation may lead to performance issues or damage to your vehicle. Unless specified differently on the product page, our parts do not include installation instructions. They are intended for individuals with a proficient understanding of mechanical systems and procedures. Like many aftermarket parts compatible with a variety of vehicles, minor adjustments or modifications may be necessary during the installation process. We cannot accept returns or offer refunds on the basis of an inability to complete the installation due to the absence of instructions.
Warranty: The use of these parts will void the warranty of your vehicle. Please confirm with your vehicle manufacturer before purchase and installation.
No Liability: Tuner Depot is not responsible for any damage or issues that may arise from the use of these parts.
Product Images: Product images are for illustrative purposes only and may differ from the actual product due to manufacturer design changes or improvements.
No Performance Guarantees: While these parts are designed to enhance the performance of your vehicle, no guarantees are made regarding the specific performance gains that will be achieved.
Shipping Policy at Tuner Depot
At Tuner Depot, we understand the importance of timely delivery for your performance parts. We're committed to ensuring a seamless shipping experience, striving to dispatch your orders with utmost efficiency and speed.
- Weather Conditions: Adverse weather conditions such as rain, snow, or sleet may affect delivery timelines. We will make every effort to minimize any delays.
- Holiday Periods: Please note that our shipping center will be closed during holidays. We will resume shipping promptly on the next business day. Allow for potential delays during peak seasons, but rest assured, we will keep you informed every step of the way.
- Staff Availability: Unforeseen circumstances can occasionally affect our staffing levels, possibly leading to minor delays. We are committed to swiftly resolving any issues to maintain our high standards of service.
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