MBRP 4" DPF Back Exhaust Tour Profile Single Side Exit Exhaust 15-16 GM 6.6L Duramax LML
Race / competition use only
This product is not legal for use on public roads or on pollution-controlled vehicles. By purchasing, you confirm it will be used only for off-road / race purposes and that you are responsible for lawful use.
Emissions-related component. Race/competition use only — not legal for use on public roads or on any pollution-controlled vehicle.
This product is vehicle-specific. Select your year, make, model, engine and transmission to confirm compatibility before adding it to your cart.
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Ships directly from the supplier. The final shipping cost will be shown before payment.
- Ships from MBRP Exhaust
Factory exhausts restrict flow on the 6.6L Duramax, creating backpressure that chokes turbo efficiency and reduces low-end torque. Exhaust pulses collide in tight bends, heat spikes in the manifolds, and the turbo spool lags under load. You feel it immediately when towing or accelerating. The throttle response is dull, and exhaust resonance is uneven, signaling inefficiencies in the stock design.
Installing the Armor Lite changes the airflow dynamics entirely. Four-inch tubing moves exhaust gases with minimal restriction, allowing the turbo to spool faster and maintain consistent boost. Acceleration sharpens, torque delivery is linear, and diesel rumble smooths into a precise, deep note. The system uses a CARB-approved downpipe, keeping emissions legal while delivering predictable, engineered performance under load. Each rev and each shift hits with a calculated response tuned for real diesel driving.
Armor Lite is precision-engineered from aluminized steel with exact CNC-formed bends and MIG-welded joints. Tubing aligns perfectly from downpipe to tail exit, ensuring optimal gas velocity and minimal turbulence. Every component resists corrosion and thermal fatigue, providing repeatable performance and mechanical reliability across thousands of miles and extreme operating conditions.
Factory exhausts restrict flow on the 6.6L Duramax, creating backpressure that chokes turbo efficiency and reduces low-end torque. Exhaust pulses collide in tight bends, heat spikes in the manifolds, and the turbo spool lags under load. You feel it immediately when towing or accelerating. The throttle response is dull, and exhaust resonance is uneven, signaling inefficiencies in the stock design.
Installing the Armor Lite changes the airflow dynamics entirely. Four-inch tubing moves exhaust gases with minimal restriction, allowing the turbo to spool faster and maintain consistent boost. Acceleration sharpens, torque delivery is linear, and diesel rumble smooths into a precise, deep note. The system uses a CARB-approved downpipe, keeping emissions legal while delivering predictable, engineered performance under load. Each rev and each shift hits with a calculated response tuned for real diesel driving.
Armor Lite is precision-engineered from aluminized steel with exact CNC-formed bends and MIG-welded joints. Tubing aligns perfectly from downpipe to tail exit, ensuring optimal gas velocity and minimal turbulence. Every component resists corrosion and thermal fatigue, providing repeatable performance and mechanical reliability across thousands of miles and extreme operating conditions.
Diesel Power Products directs warranty claims to the respective manufacturer; coverage and duration depend on that manufacturer and product. Its one-year manufacturer-defect warranty applies only to products manufactured by Power Products Unlimited Inc., not all products it sells. Manufacturer inspection is required; DPP does not pay inspection/return shipping or labor.
Return and warranty information is based on what Diesel Power Products offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
Diesel Power Products warranty policyView complete warrantyProduct conditions
Return and warranty information is based on what Diesel Power Products offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
Race / competition use only. Not legal for sale or use on pollution-controlled vehicles or on public roads. Emissions-related component. Race/competition use only — not legal for use on public roads or on any pollution-controlled vehicle.
- Return eligibility
- Diesel Power Products states a 30-day window from receipt for eligible new, uninstalled, unopened and complete items in original packaging, with prior approval/RMA. Custom tuners and specified opened tools are excluded. Customer pays return shipping; original outbound shipping, including initially free shipping, is deducted. No standard restocking percentage is stated for ordinary approved returns. Based on what Diesel Power Products 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
- Diesel Power Products
- Warranty duration
- Product-specific duration not stated; see supplier terms
- Compatibility
- Listed for specific vehicle configurations
- Legal use
- Competition use only
- Processing estimate
- 3–7 business days supplier processing
- Shipping
- Shipping calculated at checkout
- Signature
- No signature requirement
- Supplier
- Diesel Power Products
Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.