AFE Large Bore-HD 409 Stainless Steel DPF-Back Exhaust 20-22 GM 3.0L Duramax LM2
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 aFe Power
What do you want in your 3.0L Duramax? If it’s better engine performance, lower EGT’s and an aggressive appearance then aFe’s Large Bore-HD 409 Stainless Steel DPF-Back Exhaust is the right choice. You get the option between a 4 1/2” black tip, or a minimalistic polished tip, regardless of your preference, you get the following benefits in this exhaust system:
3" 409 Stainless Steel Construction:
This DPF-back exhaust system is constructed of 3" mandrel-bent 409 stainless steel tubing for maximum strength and durability.
4-1/2" Diameter Polished Exhaust Tip:
Finishing off this exhaust system is a 4-1/2" diameter polished 304 stainless steel clamp-on exhaust tip. The tip features a laser etched aFe POWER logo for a unique style.
Installation:
Utilizing factory style hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation.
Interlock Flex Pipe:
This DPF-back exhaust system uses a heavy duty flex pipe with an internal interlock liner for added strength and durability.
Computer-Aided Design:
Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment.
MIG-Welded:
100% MIG-Welded for race-proven strength and durability.
Exhaust Gas Temperatures:
Intercooled tubing provides reduction in exhaust gas temperatures.
Fitment
Note:
• Crew Cab / Short Bed - 147.4" Wheelbase
• Extended Cab / Standard Bed - 147.4" Wheelbase
• Crew Cab / Standard bed - 157" Wheelbase
What do you want in your 3.0L Duramax? If it’s better engine performance, lower EGT’s and an aggressive appearance then aFe’s Large Bore-HD 409 Stainless Steel DPF-Back Exhaust is the right choice. You get the option between a 4 1/2” black tip, or a minimalistic polished tip, regardless of your preference, you get the following benefits in this exhaust system:
3" 409 Stainless Steel Construction:
This DPF-back exhaust system is constructed of 3" mandrel-bent 409 stainless steel tubing for maximum strength and durability.
4-1/2" Diameter Polished Exhaust Tip:
Finishing off this exhaust system is a 4-1/2" diameter polished 304 stainless steel clamp-on exhaust tip. The tip features a laser etched aFe POWER logo for a unique style.
Installation:
Utilizing factory style hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation.
Interlock Flex Pipe:
This DPF-back exhaust system uses a heavy duty flex pipe with an internal interlock liner for added strength and durability.
Computer-Aided Design:
Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment.
MIG-Welded:
100% MIG-Welded for race-proven strength and durability.
Exhaust Gas Temperatures:
Intercooled tubing provides reduction in exhaust gas temperatures.
Fitment
Note:
• Crew Cab / Short Bed - 147.4" Wheelbase
• Extended Cab / Standard Bed - 147.4" Wheelbase
• Crew Cab / Standard bed - 157" Wheelbase
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.