L5P 6.6L Duramax 4"/5" DPF Delete Race Pipe for 2017-2025 Chevy GMC 2500HD 3500HD
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- Brand: DPFexhaust
- SKU: #10102
- Availability: Many in stock
- Product Type: DPF & Cat Delete Pipe
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L5P 6.6L Duramax 4"/5" DPF Delete Race Pipe for 2017-2025 Chevy GMC 2500HD 3500HD
Improve your 2017-2025 L5P Duramax diesel's fuel efficiency and performance with our DPF delete race pipe. All DPF delete pipes are made from T-409 stainless steel. For off-road and competition use only.
2017-2025 L5P Duramax DPF Delete Pipe Key Features
High-Flow 4" to 5" Expansion.
Transitions smoothly from a 4-inch factory connection into a massive 5-inch straight-through race pipe, maximizing exhaust velocity and completely eliminating downstream restrictions.
Drastically Lower EGTs.
Getting hot exhaust gases out of the system instantly prevents dangerous heat soak, protecting your pistons, head gaskets, and turbocharger during heavy towing or steep climbs.
Instantaneous Turbo Spool-Up.
Removing downstream backpressure allows your VGT turbocharger to spin up effortlessly, eliminating lag and delivering razor-sharp throttle response from a stop.
End Frequent DPF Regen Cycles.
Stop wasting raw diesel fuel and dropping your overall MPG on active DPF regeneration sequences designed to "burn off" soot.
Heavy-Duty Mandrel-Bent Steel.
Smooth, constant-diameter curves ensure maximum structural integrity, zero flow restriction, and long-term off-road durability.
Unleash signature Duramax V8 Rumble.
Unleashes a deep, aggressive, and powerful diesel exhaust note without the harsh, irritating cabin drone associated with low-quality pipes.
How to Choose Your 2017-2025 L5P Duramax DPF Delete Pipe
4'' vs 5'' 2017-2025 L5P Duramax DPF Delete Pipe Comparison
- 4-inch Pipe: Produces a tighter, raspier exhaust note—especially noticeable at lower RPMs. Ideal for daily driving or mildly tuned trucks where excessive drone is undesirable.
- 5-inch Pipe: Delivers a deeper, more refined tone with less high-pitch resonance. Better suited for high-output builds and towing applications, where improved exhaust flow is beneficial.
Types of 2017-2025 L5P Duramax DPF Delete Pipe Kits
DPF Race Delete (Style 01)
- Removes only the DPF (retains stock downpipe)
- Offers minimal performance gains but is the most budget-friendly
- Best for cost-conscious users or avoiding emissions testing
Downpipe-Back Delete (Style 02, 03, 04, 06, 07)
- Replaces the exhaust from the turbo downpipe back
- Improves mid-range power and throttle response
- Ideal for street builds using the stock turbo
Dual Exit (Style 05)
- Splits into dual exhaust paths
- Enhances cooling and flow for extreme conditions
- Commonly used in heavy towing or competition setups
Muffler vs. No Muffler
With Muffler (Style 04)
- Reduces exhaust noise for daily driving
- Slight power restriction (~5–10 HP)
- More likely to comply with local noise regulations
No Muffler (Style 01, 02, 03, 05, 06, 07)
- Loud, aggressive exhaust tone
- Unrestricted flow for maximum horsepower
- Often not street-legal due to noise and emissions rules
- Intended for off-road or race use only
2017-2025 L5P Duramax DPF Delete Pipe Installation Guide & Tips
Check DPF Delete Race Pipe for 2017-2025 L5P 6.6 Duramax installation guide.
*Tuning before installation is required to prevent any check engine lights or diagnostic codes. Compatible tuner: EZ LYNK Tune Package for L5p Duramax
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