3" Turbo-Back DPF Delete Exhaust for 2019-2026 GM Chevy 1500 3.0L Duramax LM2
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Product Information +
- Brand: SPELAB
- SKU: SPJN-EXS22-00002014
- Availability: Many in stock
- Product Type: DPF & Cat Delete Pipe
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PLEASE NOTE!
The Spelab 3" Turbo-Back DPF Delete Pipe is engineered specifically for the 2019-2026 3.0L GM Chevy Duramax LM2 1500. This high-performance exhaust solution replaces the restrictive factory DPF, SCR, and DOC canisters, allowing your engine to breathe freely. By eliminating these bottlenecks, you can expect improved fuel economy, sharper throttle response, and a significant reduction in Exhaust Gas Temperatures (EGTs).
3" Turbo-Back 3.0 Duramax LM2 Key Features
- Requires CAN Bus Plugs: CAN Bus Plugs(the LM2 requires only the three smaller balck connectors) are necessary to seal the NOx harnesses and maintain the digital communication loop, preventing Limp Mode.
- Industrial-Grade T-409 Stainless Steel: Built to withstand extreme thermal cycles without warping, cracking, or rusting.
- True Turbo-Back Elimination: Connects directly to the turbocharger outlet, removing all primary exhaust restrictions.
- Optimized 3" Flow Velocity: Specifically sized for the 3.0L inline-six to balance backpressure reduction with high exhaust velocity for maximum low-end torque.
- EGT Reduction: Drastically lowers sustained exhaust gas temperatures, safeguarding your turbocharger during heavy towing or high-performance driving.
- Stealthy Performance: Retains the factory rear muffler and tailpipes to maintain a quiet cabin environment without drone, while still delivering a crisp turbo whistle.
Installation Guide
- Estimated install time: ~1 hour with basic tools; faster on a lift.
- Tuner Required: DPF, CAT, SCR, and DOC deletions disable emissions sensors.
FAQ
Q: Does this kit require a tuner?
A: Yes. Installing this delete pipe requires an aftermarket tuner to prevent fault codes and ensure the engine operates correctly without emissions components.
Q: How will this affect the sound of my truck?
A: Since it retains the factory muffler, your truck will remain relatively quiet. You will notice a more pronounced turbo spool/whistle outside, but interior cabin noise remains near-stock levels.
Q: Why 3" instead of 4"?
A: For the 3.0L LM2, a 3" diameter is the "sweet spot." It provides ample volume to eliminate restrictions while maintaining the exhaust velocity needed to preserve low-end towing torque.
Q: Do I need to delete the EGR as well?
A: While not mandatory, it is highly recommended. Pairing this pipe with a Spelab EGR Delete Kit prevents soot build-up in your intake and further lowers EGTs.
Q: Are CAN Bus Plugs required?
A: Yes, CAN Bus Plugs are necessary to seal the NOx harnesses and maintain the digital communication loop, preventing Limp Mode.