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5" Downpipe Back System 2017-2022 L5P 6.6L Duramax DPF Delete Race Pipe Chevy GMC | SPELAB
5" Downpipe Back System 2017-2022 L5P 6.6L Duramax DPF Delete Race Pipe Chevy GMC | SPELAB-1
4“/5" Downpipe Back System 2017-2022 L5P 6.6L Duramax DPF Delete Race Pipe Chevy GMC | SPELAB
4“/5" Downpipe Back System 2017-2022 L5P 6.6L Duramax DPF Delete Race Pipe Chevy GMC | SPELAB
5" Downpipe Back System 2017-2022 L5P 6.6 Duramax DPF Delete Race Pipe Chevy GMC | SPELAB-9
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4“/5" Downpipe Back System 2017-2022 L5P 6.6L Duramax DPF Delete Race Pipe Chevy GMC | SPELAB

2 sold in last 8 hours
SPELAB
SPES08679S5.0
Out of stock Many in stock
DPF & Cat Delete Pipe
PLEASE NOTE!
$1,899.00 $1,190.00
$1,190.00

4“/5" Downpipe Back System 2017-2022 L5P 6.6L Duramax DPF Delete Race Pipe Chevy GMC

4“/5" Downpipe Back System 2017-2022 L5P 6.6 Duramax DPF Delete Race Pipe Chevy GMC | SPELAB


Vehicle fitment : 

  • 2017-2022 L5P 6.6L Duramax Diesel GMC Sierra 2500 HD
  • 2017-2022 L5P 6.6L Duramax Diesel GMC Sierra 3500 HD
  • 2017-2022 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 HD
  • 2017-2022 L5P 6.6L Duramax Diesel Chevrolet Silverado  3500 HD

These exhaust systems are available in T409 Stainless. SPELAB has made the necessary changes to ensure easy installation as all our exhaust kits come with necessary clamps, preweld contour bent hangers, and stronger flanges. With this exhaust system you can expect increased performance, lower EGTs and improved flow. Allow your truck to breath with this SPELAB exhaust system.

Details and Specifications:

  • Brand: SPELAB
  • SKU: SPES08682S4.0
  • Inlet Diameter: 4.0"
  • Type: Cat & DPF Delete/Race Pipe // Downpipe-Back Exhaust System for Chevrolet GMC 2017 2018 2019 2020 2021 2022 L5P 6.6L Duramax Diesel Sierra/Silverado 2500 3500 HD

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

Terms Of Service

  • Fast Shipping Policy:

The order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date. Please click Shipping Policy for more details.
  • Easy Return Policy:

Every order comes with a 14-day free return which means you don't have to pay for a return slip. Please click Return Policy for more details.

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