4"/5" Downpipe-Back 2017+ L5P 6.6 Duramax DPF Delete Race Pipe | SPELAB
PLEASE NOTE!- Description
- Review + Q&A
4"/5" Downpipe-Back 2017+ L5P 6.6 Duramax DPF Delete Race Pipe | SPELAB
UPGRADE YOUR RIDE: GET A FREE EXHAUST TIP WITH EVERY DPF PIPE PURCHASE! (SKU: SPES08067 /SPES08070)
Type：
4" Downpipe-Back Include DPF Delete/Race Pipe Exhaust System（4" Dp-Back） : If additional purchase is available, more than 50 in stock.
5" Downpipe-Back Include DPF Delete/Race Pipe Exhaust System （5" Dp-Back）: If additional purchase is available, more than 50 in stock.
5" Downpipe-Back Include DPF Delete/Race Pipe w/Muffler Exhaust System （5" Dp-Back w/Muffler）: If additional purchase is available, more than 50 in stock.
Details and Specifications:
- Brand: SPELAB
- Thickness: 2mm
- Inlet Diameter: 4.0"/5.0"
- Type: Downpipe-Back Exhaust System for Chevrolet GMC 2017 2018 2019 2020 2021 2022 2023 2024 L5P 6.6L Duramax Diesel Sierra/Silverado 2500 3500 HD
Fitment:
- 2017+ L5P 6.6L Duramax Diesel GMC Sierra 2500 HD
- 2017+ L5P 6.6L Duramax Diesel GMC Sierra 3500 HD
- 2017+ L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 HD
- 2017+ L5P 6.6L Duramax Diesel Chevrolet Silverado 3500 HD
Crew cab short bed & crew cab long bed. This will not fit the 3500/4500/5500 Cab & Chassis commercial style truck.
Instruction :
DPF Delete PIpe Installation Instruction （PDF）
Exhaust Material: T-409 stainless steel. Unlike T-304 Stainless its still magnetic. So if your testing to see if you actually got stainless; beware that a magnet will still stick to it.
What is the DPF and is it worth doing a DPF Delete?
Most post-2007 diesel vehicles are fitted with a Diesel Particulate Filter (DPF) for emissions reasons, however there are a few disadvantages to this device; including constant maintenance and repairs.
Because the DPF clogs up, it increases backpressure. Due to this pressure, the fuel flow is hugely disturbed and slowed down. Therefore, when you remove this filter, the fuel flows much easily and faster, increasing the overall fuel mileage.
Installation:
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: 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.
Benefits: Expect to see a significant increase in fuel mileage. If your DPF is plugged up your probably averaging about 13-14 mpg. More or less depending on the severity of the restriction. After deleting the DPF/CAT expect to get a combined mileage of 18-19 mpg.
- It removes the need to service the DPF at regular intervals (cleaning, replacement)
- A DPF delete will remove the possibility of a DPF failure which could cause expensive diesel repairs
- Due to less exhaust backpressure, the DPF delete increases exhaust flow and therefore increases the performance of your motor!
- Paired with an ECU remap, the DPF delete is proven to increase power and torque for all vehicles
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