Black 4.0" Downpipe-Back Exhaust for 2019-2025 Dodge Ram 2500/3500 6.7L Diesel
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- Ships from SPELAB
---tab Description---
Black Dodge Ram 6.7 Diesel 4" Exhaust Overview
Compatible with 2019-2025 Dodge Ram 6.7L diesel models, our 4-inch black downpipe-back DPF delete exhaust eliminates the restrictive design of the stock exhaust system. It noticeably boosts horsepower and torque, improves throttle sensitivity, and produces a deep, aggressive exhaust note. Made of premium 409 stainless steel with black powder coating and titanium heat wrap, it provides exceptional heat insulation and corrosion resistance. Ideal for tuned setups, heavy towing and off-road driving, it upgrades overall truck performance, fuel efficiency and undercarriage appearance.
Black 4" Downpipe-Back Exhaust Key Features
This SPELAB 4.0-inch downpipe-back exhaust replaces the restrictive factory exhaust to maximize 6.7L diesel engine efficiency. It improves fuel economy and lowers daily fuel expenses, while delivering consistent, dependable performance during heavy towing duties and rigorous off-road driving conditions.
Black Powder Coating for Heat and Corrosion Protection
• High-Temperature Protection : Adopting professional-level coating technology, it resists extreme exhaust heat, effectively avoiding surface discoloration and thermal damage to sustain stable long-term performance.
• Enhanced Corrosion Resistance : Forms a solid protective layer to defend against road salt, moisture, mud and various off-road contaminants, maintaining excellent durability in all harsh working conditions.
• Improved Aesthetics: Sleek matte black finish transforms your truck’s undercarriage, giving it a stealthy, performance-focused look that matches your Duramax’s power..
Black Titanium Heat Wrap for Head Pipe Heat Control
• Reduced Underbody Heat Radiation: Blocks excessive high-temperature heat to protect delicate hoses, circuit wiring, fuel lines and core engine components, prolonging part service life and avoiding heat-caused mechanical faults.
• Extreme Temperature Endurance: Features a high temperature resistance rating of over 1000°C (1832°F), perfectly suited for modified 6.7L diesel engines, heavy towing tasks and high-intensity off-road driving scenarios.
• Optimized Exhaust Flow: Dispels heat soak phenomenon, accelerates exhaust gas discharge, and optimizes engine efficiency, bringing stable power improvement and smoother overall vehicle operation.
⚠ Off-Road Use Only – DPF removal is illegal for on-road vehicles in most regions. For competition/racing use only.
Downpipe-Back Exhaust Specification
• Material: Premium 409 Stainless Steel
• Finish: High-Temperature Black Powder Coating
• Heat Management: Black Titanium Heat Wrap on Head Pipe
• System Type: Downpipe-Back DPF Delete
• Application:
Designed for Downpipe-back systems, ideal for high-temperature environments, towing, heavy loads, performance-tuned vehicles, and off-road use.
• Durability: Built to enhance exhaust system robustness and impact resistance.
Installation Guide
Install takes about 1hr with basic hand tools done on the ground of your driveway or garage. Quicker if you have automotive style lift. Cutting may be be required to fit shorter wheelbase bed/cab configurations. Clamps, hangers and hardware are included. You may have to re-use some factory hardware.
Tuner Required for DPF Delete Exhaust Installation
Removal of the DPF, CAT, SCR, and/or DOC involves removing and eliminating emission related sensors. A DPF delete capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.
---tab Fitment---
Dodge Ram 6.7 Diesel Downpipe-Back Exhaust Fitment
• 2019–2025 Dodge Ram 2500/3500 6.7 Diesel (Crew cab short/long bed & mega cab (excludes cab & chassis models).
If you need Silver 4.0" Downpipe-Back Exhaust, you can click HERE to purchase.
---tab Shipping & Returns---
Fast Shipping Policy
Your order will be dispatched within 1-2 business days , and the package will arrive within your order's estimated date. Click for Shipping Policy
Easy Return Policy
Every order comes with a 14-day free return , which means you don't have to pay for a return slip. Click for Return Policy
---tab Description---
Black Dodge Ram 6.7 Diesel 4" Exhaust Overview
Compatible with 2019-2025 Dodge Ram 6.7L diesel models, our 4-inch black downpipe-back DPF delete exhaust eliminates the restrictive design of the stock exhaust system. It noticeably boosts horsepower and torque, improves throttle sensitivity, and produces a deep, aggressive exhaust note. Made of premium 409 stainless steel with black powder coating and titanium heat wrap, it provides exceptional heat insulation and corrosion resistance. Ideal for tuned setups, heavy towing and off-road driving, it upgrades overall truck performance, fuel efficiency and undercarriage appearance.
Black 4" Downpipe-Back Exhaust Key Features
This SPELAB 4.0-inch downpipe-back exhaust replaces the restrictive factory exhaust to maximize 6.7L diesel engine efficiency. It improves fuel economy and lowers daily fuel expenses, while delivering consistent, dependable performance during heavy towing duties and rigorous off-road driving conditions.
Black Powder Coating for Heat and Corrosion Protection
• High-Temperature Protection : Adopting professional-level coating technology, it resists extreme exhaust heat, effectively avoiding surface discoloration and thermal damage to sustain stable long-term performance.
• Enhanced Corrosion Resistance : Forms a solid protective layer to defend against road salt, moisture, mud and various off-road contaminants, maintaining excellent durability in all harsh working conditions.
• Improved Aesthetics: Sleek matte black finish transforms your truck’s undercarriage, giving it a stealthy, performance-focused look that matches your Duramax’s power..
Black Titanium Heat Wrap for Head Pipe Heat Control
• Reduced Underbody Heat Radiation: Blocks excessive high-temperature heat to protect delicate hoses, circuit wiring, fuel lines and core engine components, prolonging part service life and avoiding heat-caused mechanical faults.
• Extreme Temperature Endurance: Features a high temperature resistance rating of over 1000°C (1832°F), perfectly suited for modified 6.7L diesel engines, heavy towing tasks and high-intensity off-road driving scenarios.
• Optimized Exhaust Flow: Dispels heat soak phenomenon, accelerates exhaust gas discharge, and optimizes engine efficiency, bringing stable power improvement and smoother overall vehicle operation.
⚠ Off-Road Use Only – DPF removal is illegal for on-road vehicles in most regions. For competition/racing use only.
Downpipe-Back Exhaust Specification
• Material: Premium 409 Stainless Steel
• Finish: High-Temperature Black Powder Coating
• Heat Management: Black Titanium Heat Wrap on Head Pipe
• System Type: Downpipe-Back DPF Delete
• Application:
Designed for Downpipe-back systems, ideal for high-temperature environments, towing, heavy loads, performance-tuned vehicles, and off-road use.
• Durability: Built to enhance exhaust system robustness and impact resistance.
Installation Guide
Install takes about 1hr with basic hand tools done on the ground of your driveway or garage. Quicker if you have automotive style lift. Cutting may be be required to fit shorter wheelbase bed/cab configurations. Clamps, hangers and hardware are included. You may have to re-use some factory hardware.
Tuner Required for DPF Delete Exhaust Installation
Removal of the DPF, CAT, SCR, and/or DOC involves removing and eliminating emission related sensors. A DPF delete capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.
---tab Fitment---
Dodge Ram 6.7 Diesel Downpipe-Back Exhaust Fitment
• 2019–2025 Dodge Ram 2500/3500 6.7 Diesel (Crew cab short/long bed & mega cab (excludes cab & chassis models).
If you need Silver 4.0" Downpipe-Back Exhaust, you can click HERE to purchase.
---tab Shipping & Returns---
Fast Shipping Policy
Your order will be dispatched within 1-2 business days , and the package will arrive within your order's estimated date. Click for Shipping Policy
Easy Return Policy
Every order comes with a 14-day free return , which means you don't have to pay for a return slip. Click for Return Policy
SPELAB Auto Parts: 1 year from delivery; supplier conditions apply. SPELAB offers a one-year limited warranty from delivery for material/workmanship defects under normal use, original purchaser only, with proof of purchase. Consumables, wear/cosmetic damage, improper installation, alteration, misuse and removal/installation labor are excluded. Approved remedies are repair, replacement or replacement parts at SPELAB’s discretion.
Return and warranty information is based on what SPELAB Auto Parts offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
SPELAB Auto Parts warranty policyView complete warrantyProduct conditions
Return and warranty information is based on what SPELAB Auto Parts offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
- Return eligibility
- SPELAB allows return requests within 30 days of delivery, with authorization and undamaged goods, original packaging and accessories. Tuners are final sale. Customer pays voluntary return shipping; original shipping is not refunded. SPELAB pays return shipping for approved damaged, incorrect or manufacturing-defective items. Transit damage must be reported within two business days and incorrect items within seven days. Based on what SPELAB Auto Parts offers.
- Return window
- Not stated for this product; see supplier terms
- Restocking fee
- See supplier terms; no product-specific fee stated
- Return shipping
- Based on the supplier’s return policy; see terms
- Made to order
- No
- Backorder status
- Not backordered
- Cancellation
- Subject to supplier terms; contact FullSpecDiesel before requesting cancellation
- Warranty provider
- SPELAB Auto Parts
- Warranty duration
- 1 year from delivery; supplier conditions apply
- Compatibility
- Listed for specific vehicle configurations
- Legal use
- Street legal
- Processing estimate
- 3–10 business days supplier processing
- Shipping
- Shipping calculated at checkout
- Signature
- No signature requirement
- Supplier
- SPELAB Auto Parts
Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.